Things like machinery, fertlizer, and genetic modifications.
The answer is C, phosphorous. There are three phosphate groups in ATP! I hope this helps. :) I'm taking Biology too!
I think that the best answer is first one:
a) Trace the path that the sound waves travel as they enter the ear and proceed to the receptor cells for hearing, making sure to explain the process of transduction.
NASA did not invent the smoke detector.