Measure of gravitational attraction or force or gravity pulling one object toward the center of another object. ... The force that pulls on objects and causes acceleration if the objects are not balanced by an opposing force.
Mold fossil because it molded around the shape of a fossil
Yes, if the immune system is strong, it is capable of fight off an illness with the help of the white blood cells (leukocytes). They act as the "soldiers" of the body because they are the first ones to try and kill whatever illness affects the body. Unless the person has a weak immune system, which can be a cause from poor health.
Chloroplasts Organelles. They store food and water and get rid of waste in plant cells.