Photosynthesis can be defined as the process by which green plants manufacture their food. Photosynthesis is important not only to plants themselves but also to animals, which depend on plants for food.
Gravitational is only attracted and electromagnetic is both atrractive and repulsive since it depends what you are talking about
Prefer different forms of contact
No because they wouldnt be able to move on land to find food and i think they cant breath either
There are two sphincters in the human body
