Measure the amount of chemical used, measure the mass before and after
The answer is D)carbone dioxide,water and energy
B.
Viruses are classified as biological agents instead of a living things, $& they are only made of genetic material.
Albert einstein and your mom
Answer:
Cells can die because they are damaged, but most cells die by killing themselves. Some cell death processes leave no trace of the dead cell, whereas others activate the immune system with substances from the dead cell.
Explanation: