Answer:
The mass number of an atom is its total number of protons and neutrons. Atoms of different elements usually have different mass numbers , but they can be the same. For example, the mass number of argon atoms and calcium atoms can both be 40.
Explanation:
The Exxon Valdez spilled more than 10 MILLION gallons of oil into the Prince William Sound, damaging marine life.
Explanation:
There will be an imbalance in the food chain
RNA travels to ribosomes, after leaving the nucleus, to perform translation and form amino acid with the help of tRNA