A spherical object has a certain density . If it is compressed under high pressure to half of its original diameter, its density will now be

Ithink they do have the same properties just in less quantities i think

The answer is a i think

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.