Most of it follows its cycle, going back to the atmosphere.
The image below, shows you how the nitrogen cycle is.
Hope it helped,
Happy homework/ study/ exam!
The best answer in this case is C, "the researchers applied creativity to solve a problem in running an experiment".
Distributing the computing load across the global community by sharing processing power is a creative response to tackle the challenge in simulating protein folding for the experiment. This does not change or reduce the scientific merits of the experiment, so we can discount the first two answers (a & b). Answer d talks about well established scientific techniques, although the question wasn't really centered around the specific techniques, so it's not as relevant an answer as C.
Answer:
nerve system
Explanation:
because it is trying to give a electric pulse to start it
When scientists try to use the explanation of the natural world to understand patterns, they are making PREDICTIONS about natural events. For example, volcanic eruptions.
Answer:
A. Books and DVDs can be given new life as well.
