Answer:
The right answer is mass.
Answer:
B)Viruses do not contain any nucleic acids
Glucose, water etc.... doesn't require ATP !
these molecule does not require energy to pass from the cell. it happens according to concentration gradient or by passive transport !!!
The reason why nuclear fusion is currently not used as an energy source on Earth is mainly because we're still building the required technology which would enable us to use and have nuclear fusion and harness its power.
Photosynthesis and respiration are interrelated as stated in the last option