Which describes the role of decomposers in the carbon cycle?
a. they prevent carbon from escaping into the atmosphere.
b. they absorb carbon from carbon dioxide in the atmosphere.
c. they change carbon dioxide into a form that organisms can use.
d. they release the carbon that remains in the bodies of dead organisms.

What are some possible short and long term medical concerns for crew members on longer space exploration trips

What are the student's observations and inferences before he starts his investigation?

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