A zinc, Zn, atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus. hope this helped :)
Answer:
option B is the correct answer
Explanation:
AGAU
Answer:
C; Oxygen concentration
Explanation:
Oxygen is product, not a reactant in photosynthesis. Light and carbon dioxide are reactants, and extreme temperatures can denature the plant.
I believe the correct response would be the 1st option.
Family members have a similar genetic make-up that may make them predisposed to cancer.