Answer:
Gravitational force
Explanation:
Gravitational force is the force that attracts an object down to the earth. It’s also the reason why we don’t float on this planet. This force is also why anything that isn’t thrown up must come down.
In space and other planets with little or no gravitational force ,organisms float over there which makes its inhabitation by organisms very difficult.
Substance A is water and Substance B is chlorophyll
About 2 to 3 or 3 to 4 hrs. This can vary depending on the type of food as well your body movement.
