All living things need energy to perform their life processes. how and where do they get the energy that they need?
a.
the fixation of nitrogen gas from the atmosphere
b.
the oxidation of food through the process of cellular respiration
c.
the absorption of light that radiates from the moon
d.
the production of carbon dioxide through the process of photosynthesis

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous