The cell membrane keeps harmful chemicals out of animal cells.
Answer:
Rutherford established the nuclear theory of the atom with his gold-foil experiment. When he shot a beam of alpha particles at a sheet of gold foil, a few of the particles were deflected. He concluded that a tiny, dense nucleus was causing the deflections.
Answer:
The temperature is very hot.
Explanation:
The gas around the planet traps the suns heat and makes it the hottest planet in our solar system.
The answer is C) reactants because a chemical reaction is the process in which atoms present in the starting substance rearrange to give new chemical combinations present in the substance formed by the reaction