Biology, 04.02.2020 17:48 nesharhodes23p965te
The student performed an experiment to test his hypothesis about sunlight and plant height using two plants. he kept everything the same between two tomato plants except he exposed them to different amounts of sunlight. he also used a third plant as a control group, or a group in which no variables are manipulated to confirm the results. roberto critiqued the work. which problem did roberto most likely identify?
a.) the sample size is too small.
b.) too many variables are manipulated.
c.) it is not possible to keep the conditions the same.
d.) controls should only be used in studies of animals.
Answers: 1
Biology, 21.06.2019 15:30
15 points come and ! which characteristic describes all bacteria? a rod-shaped b microscopic c multicellular d autotrophic
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Biology, 22.06.2019 12:00
Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?
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Biology, 22.06.2019 14:30
Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.
Answers: 2
Biology, 22.06.2019 15:00
After frida stops exercising, she continues to breathe heavily. what is most likely occurring in her body? heavy breathing during exercise has produced an oxygen surplus in her muscles. this oxygen is being transported to her lungs. this is a result of aerobic respiration. heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. lactate is being transported to her liver. this is a result of aerobic respiration. strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration. strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration.
Answers: 2
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