Why is nitrogen fixation such an important step in the nitrogen cycle? question 5 options: decomposers need to use nh4+. plants can't use nitrogen in the form of n2. bacteria convert the fixed nitrogen back into n2. soil nitrogen is different. which of the following is the source of energy for the water cycle? question 4 options: gravity winds the sun volcanic eruptions

2polhiswhere is the energy in a glucose molecule stored? ooa. inside the carbon atomsb. inside the protonsc. in the bonds between the atomsood. inside the hydrogen atoms

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

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