An object accelerates 2 m/s2 when an unknown force of 20 N is applied to it. What was the mass of the object?

10 neutrons is the answer

The answer is b.the gaseous state is electrically positive, while the plasma state is electrically negative. 

The answer is water molecules are split.cellular respiration and photosynthesis are complement  reactions to each other. these are reverse reactions. in cellular respiration glucose and oxygen yield water and carbon dioxide. so, when respiration begins,  glucose molecules are split. in the opposite reaction - in photosynthesis, carbon dioxide and water yield glucose and oxygen. thus,  when respiration begins, water molecules are split.

Because the sun is the biggest and if the sun orbits the earth we will be dead probably