Tomato plants grown with music will have more tomatoes.
What is the independent variable *
Answer:
The independent variable is whether or not the tomato plants are grown with music.
Explanation:
An independent variable is what is changed during an experiment to produce different results.
Answer:
The independent variable is the plants grown with music.
Explanation:
An independent variable is something directly changed/manipulated by the scientist(s).
Btw, congrats on your first question!
Which is longer- a centimeter and an inch? By how much?
Answer:
In terms of distance, an inch is longer than a centimeter. 1 in = approx. 2.54 cm.
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What is The Semmelweis reflex?
Answer: unconscious bias
Explanation:
Answer:
The tendency to reject new evidence or new knowledge because it contradicts establish norms, beliefs or paradigm
The diaphragm can be classified as part of which two organ systems?(1 point)
A. muscular and respiratory
B. immune and skeletal
C. muscular and nervous
D. circulatory and respiratory
Answer:
D. circulatory and respiratory.
Explanation:
not sure though
Answer:
A. is the answer
Explanation: took the quick check.
What is genetics and how does it relate to DNA?
Answer:
Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.
Explanation:
What is the difference between genus and species?
Answer:
The genus is the generic name where the species is the specific name in a binomial nomenclature.
Define the concept of "risky behaviour" and explain two factors why it is important for youths to investigate and be knowledgeable about it
Difference between bacteria and fungi
Answer:Bacteria and Fungi both come under different categories. Bacteria is the prokaryotic cell while the fungi are Eukaryotic cells. On the other hand, fungi grow their own and are heterotrophs and hence depend on others for their food. ...
Explanation:
1. As a group, you and three other students must make a presentation on an animal. Which option is the best example of your group coming to a consensus on the presentation topic?(1 point)
A. A group member is selected as the team leader and the team leader chooses the presentation topic.
B. Each member gets a vote and the animal with the most votes will be the presentation topic.
C. The group writes options on slips of paper, puts them in a hat, and the paper that is selected will be the presentation topic.
D. The group cannot agree on what animal to choose so your teacher chooses your presentation topic.
2. Why might a paleontologist who works with fossils and an archaeologist who specializes if recovering human artifacts work together to determine where a fossil belongs in the hominid family tree?(1 point)
A. They both know how to remove objects carefully from the ground.
B. They both have different skills to help answer the question about ancient humans.
C. They both understand the relationship between fossils and early humans.
D. They both are experts on different types of bones.
3. Suppose a team of scientists has uncovered the site of an ancient city along a river. Which question could an anthropologist and archaeologist work together to help answer?(1 point)
A. Which plants did humans grow at this site and how were they grown?
B. How have humans impacted the rock layer of the city changed over time?
C. What tools were found at the site and which civilization used them?
D. How did changes in the depth of the river affect the houses people built at the site?
4. Insects are important to many ecosystems. For example, bees help pollinate many different plants and many animals rely on insects as food sources. Citizen science projects allow the public to work together with scientists by collecting observational data on many types of organisms such as plants, birds, or insects.
Which question could citizen science data answer that best illustrates insect population responses to climate change?
(1 point)
A. “What tree species provide the best habitat beetle species in this area?”
B. “What types of foods can butterflies eat?”
C. “How many dragonfly species are native to this region?”
D. “How does caterpillar abundance and distribution change over the year?”
5. Coral bleaching occurs when coral become stressed and expel the algae that they contain. According to scientists, what steps can society take to fix coral bleaching?(1 point)
A. Scientists have concluded that society can only fix coral bleaching by stopping climate change entirely.
B. Scientists have concluded that society can fix coral bleaching by reducing stressors, such as sedimentation and pollution, and limiting climate change.
C. Scientists have concluded that society can fix coral bleaching by reducing stressors, such as sedimentation and pollution.
D. Scientists have concluded that society can only fix coral bleaching by controlling ocean temperatures by reducing greenhouse gas emissions.
Answer:
1). b
2) d
3). d
4). d
5) b
I hope it's helps you
What was the manipulated (independent) variable and the responding (dependent) variable?
hi, may you please give me the full question.
answer please it's urgent
Answer:
b
b
c
b
Explanation:
SEE THE IMAGE FOR SOLUTION
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Explain why the amount of water a person needs to survive can be highly variable.
Answer:
The amount of water needed to sustain a person is highly variable because it depends upon not only the temperature and humidity of the environment where they live but the level of physical activity they engage in as well.Less than 1% of Earth's water is liquid freshwater.
Explanation:
The amount of water a person needs to survive can be highly variable because it typically relies on the temperature and humidity of the environment where they live along with the level of physical activity they have to perform.
What is the role of water in an organism's survival?The role of water in an organism's survival is determined by the fact that Living organisms definitely need water in order to play a vital role in the reactions taking place within the organism's cells and body.
Water acts as a universal solvent. Due to this, it provides a medium for chemical reactions to occur. Substances are also transported from one part of the body to the other in the dissolved state.
The requirement of water for living organisms must significantly depend on the temperature and humidity of the environment where they live along with the level of physical activity they have to perform.
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Please help (40) pts Could humans survive on Earth over two-and-a-half billion years ago, before the emergence of plants? Why or why not?
Answer:
No humans could survive before the emergence of plants because through photosynthesis, plants produce oxygen which is a main component of the air we breathe. Without plants there would be no oxygen for humans to survive.
Part A
Describe the natural environment of the species in terms of abiotic and biotic factors,
Answer:
Abiotic and biotic factors make up an ecosystem. Abiotic factors are the non-living parts of an environment. These include things such as sunlight, temperature, wind, water, soil and naturally occurring events such as storms, fires and volcanic eruptions. Biotic factors are the living parts of an environment, such as plants, animals and micro-organisms.
Together, they are the biological factors that determine a species' success. Each of these factors impacts others, and a mix of both is necessary for an ecosystem to survive.
Hello i need hell to answer this, thank you in advance <3 (The subject is science)
and please take your time, again thank you in advance. <3
(I’m sorry if I got the subject wrong from the above)
1. Which is not part of the respiratory system?
a. bronchus b. nasal cavity
c. esophagus d. trachea
2. A long-term smoking habit can destroy the cilia along the lining of the air passages. How could this affect a smoker’s health?
a. the smoker will have very limited air.
b. the smoker will have difficulty in breathing.
c. the smoker’s respiratory tract will be blocked.
d. the smoker will not be able to filter pollutants.
3. In which blood vessel does the exchange of nutrients and wastes happen?
a. arteries b. capillaries
c. lymphocytes c. venules
4. Which type of white blood cells is the most abundant and combats bacterial and fungal infections?
a. eosinophil b. monocytes
c. lymphocytes d. neutrophil
5. Which is the largest artery in the body?
a. aorta b. leg artery
c. lymphocytes d. neutrophil
6. Which among the following choices below is the right pathway of oxygen from the lungs to the body tissues?
a. Alveoli-blood stream-RBC-tissues
b. Alveoli-RBC-bloodstream-tissues
c. RBC-alveoli-bloodstream-tissues
d. RBC-bloodstream-tissues
7. All of the following actions are part of exhalation, EXCEPT
a. The ribcage contracts inward
b. The volume of the thoracic cavity decreases
c. The diaphragm contracts and pull downward
d. The pressure of the thoracic cavity increases
8. What is the difference between haploid and diploid?
a. Haploid contains 46 chromosomes; Diploid is 23 chromosomes
b. Haploid contains 44 autosomes; Diploid is 6 sex chromosomes
c. Haploid contains 6 sex chromosomes; Diploid is 44 autosomes
d. Haploid contains 23 chromosomes; Diploid is 46 chromosomes
9. How many pairs of autosomes do human body?
a. 20 pairs b. 21 pairs
c. 22 pairs d. 23 pairs
10. Genetics is a branch of science that studies heredity and variations. How will you be able to describe heredity?
a. It is the study of genes.
b. It is the study of variation.
c. It is responsible for the uniqueness of individual.
d. It is the passing of traits of parents to their offspring.
11. All of the following are Non-Mendelian inheritance, EXCEPT
a. Segregation
b. Condominance
c. Multiple Alleles
d. Incomplete Dominance
12. Gene is a part of a cell that controls or influences the appearance and growth of a living organism. Where are genes specifically located?
a. Inside the cell.
b. Segment of the DNA.
c. Inside the chromosomes.
d. Segment of chromosomes.
13. Nadine who is a homologous dominant curly hair (CC) married James, a heterozygous dominant (Cc), and gave birth to a jolly and beautiful curly hair girl named Jadine. What principle of inheritance was shown in the result?
a. Dominance and Recessiveness b. Segregation
c. Independent Assortment d. Incomplete dominance
14. In carnations, when a red flower is crossed with a white flower, pink is produced. What principle of Inheritance was shown in this breeding result?
a. Condominance b. Segregation
c. Sex-linked Traits d. Incomplete dominance
15. Why is biodiversity important to ecosystems?
a. It increases at each level of the food chain.
b. It helps population adapt to ecological changes.
c. It reduces the number of insects in a given ecosystem.
d. It allows animals to feed permanently from specific type of plant.
Answer:
1). c
2) d
3) b
4) c
5) a
6) a
7) d
8) d
9) c
10) d
11) a
12) c
13)
14) d
15)
Directions Design a mock experiment that investigates how Screen Time (TV/Video Games/Computer/Phone ect.) can affect a student's performance at school.
Answer:
video games
Explanation:
there coool
In a randomized trial, scientist try to make sure that there is only one difference between the two groups. What do we call all the things that are the SAME Between the two groups?
A. Predictions
B. Controls
C. Constant
D. Variables
Hey there! I'm happy to help!
A. Predictions are guesses you make about the result of a trial. Let's say that you want to test what will happen if you put less eggs into a cookie recipe. You could make a prediction that the cookies will be more crumbly. This is not the term for things that are the same between two groups, so this is incorrect.
B. Controls are a type of variable that isn't influenced in a unique way as part of the experiment. This is to be able to compare the things you change to a thing that hasn't changed. With our cookie example, a control group would just be a cookie recipe with the normal amount of eggs. Then we can compare a normal cookie to one with less eggs. We see that a control is a type of group, and not a specific thing that is similar or different between the groups, so this is incorrect.
D. Variables are things that can change or vary in your experiment. There are independent variables, which are things that you change, such as the number of eggs in the recipe. Then, you have dependent variables such as color, texture, taste, etc. However, these can change depending on the group because the number of eggs could switch, so this is the wrong term and incorrect.
C. Constants are things that you do not change as part of your experiment. You do not change these variables. In our case, the constants will be all of the other ingredients like the amount of flour, milk, water, sugar, etc. If we have a control group and a group with less eggs, these things will remain constant in both of them. So these things are the same between the two groups, so this answer is correct.
We call the things that are the same between the two groups C. constants.
Have a wonderful day and keep on learning! :D
What is an example of positive feedback?
A)A herd of buffalo running away after one of them spots a lion
B)A pressure cooker valve opening to reduce the high pressure inside
C) A computer screen dimming or when the battery gets low
D) A thermostat switching on an air conditioner when the temperature gets too hot
Answer:
D) A thermostat switching on an air conditioner when the temperature gets too hot
Explanation:
All other answers choices are negative feedback.
hope this helped!
A thermostat switching on an air conditioner when the temperature gets too hot is an example of positive feedback. Option D is correct.
Positive feedback is a process in which a change in a system causes further changes in the same direction, leading to an ever-increasing effect. In the case of a thermostat, the increase in temperature causes the thermostat to switch on the air conditioner, which cools down the room. This cooling down causes the thermostat to switch off the air conditioner, which then allows the temperature to rise again. This cycle continues until the temperature reaches a desired level.
In negative feedback, a change in a system causes other changes in the opposite direction, leading to a return to the original state. For example, when a herd of buffalo runs away after one of them spots a lion, the other buffalo will also run away, which will reduce the number of buffalo in the herd that are in danger. This will eventually lead to the herd returning to its original state. Option D is correct.
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Fill in the blanks please I’ll mark you brainliest!
Answer:
16. a, research
Explanation:
you should form your hypothesis on research because based on what you researched is what will help you try predict the outcome of the experiment
How does an
enzyme speed up a chemical
reaction?
Answer:
By lowering the activation energy
Explanation:
Enzymes are biological catalysts. Catalysts reduce the activation energy for reactions. The lower the activation energy for a reaction, the quicker the rate. Common enzymes convert shape when substrates unite. Enzymes lower the activation energy required to turn a reactant into a product. Consequently, an enzyme-catalyzed reaction pathway has a smaller energy activation to succeed ere the reaction can progress. Therefore, enzymes speed up reactions by lowering the activation energy.
how air pollution affects environment and living thing
Answer:
Air pollution is harmful to human beings and other living things. Breathing polluted air increases the risk of developing lung diseases such as asthma and lung cancer. Breathing bad air also increases the chances of dying from other diseases. Children are most likely to be affected by air pollution
Explanation:
They can increase the risk of heart and respiratory diseases, as well as lung cancer. Ozone is a major factor in causing asthma (or making it worse), and nitrogen dioxide and sulfur dioxide can also cause asthma, bronchial symptoms, lung inflammation and reduced lung function.
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_____ and _____ present in air are harmful
Answer:
Acess Carbon dioxide and nitrogen
Which element is necessary to form a protein molecule but not a carbohydrate molecule?
Nitrogen is found in proteins but not in carbohydrates. It is present in all amino acids as it the building block of amino acids.
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Which biome is considered endangered? A. Coniferous forest B. Deciduous forest C. Rainforest D. Mountains
Complete the sentence using one of the following
words:
toxins, waste or food.
Working together, organ systems eliminate bodily
and provide required substances to all cells in the body.
Answer:
food
Explanation:
food is a required substance that works together with the body to keep you alive :)
Based on this image of a
container with a
selectively permeable
membrane, which way
will the water move if the
solute concentration is
higher on the left than
the right?
A. Water will move from right to left
to get the concentration of solutes
at equilibrium.
B. Water will move from left to right
to get the concentration of solutes
at equilibrium
C. The water will not move because
equilibrium is not necessary.
Answer:
(A):Water will move from right to left to get the concentration of solute at equillibrium.
Some drugs are made of fairly large polar molecules which cannot easily enter cells. To correct this problem, drugs are now being delivered into cells by containing them inside liposomes, in which the drug is surrounded by a phospholipid bilayer. How do liposomes help the drugs enter into the cell
Answer: The liposome fuses with the phospholipid bilayer of the cell and delivers its internal contents to the cytoplasm.
Explanation: :)
Why are lysosomes important to the health of cells?
Lysosomes are organelle that is present in the cell. This organelle is present in both plant and animal cells, it is not limited to only plants, it can also be found in animals.
Lysosomes help to destroy or break down parts of the cell that are no longer useful or can no longer add any value to the build-up of the cell membrane.
When a cell is very old or when it can no longer function, a lysosomes can help to automatically destroy or get rid of the cell so it doesn't affect the normal of other cells
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