Scientists use fossils to learn about organisms' lives and evolutionary relationships, to understand geological change, and even to locate fossil fuel reserves.
Answer:
so that whenever we get hurt or something happens our system can grow back like a scar.Everyday it is rebuilding new cells as well as it is always throwing away cells that don't work anymore
<span>Wind energy does not pollute</span>
Plants use sugars and mineral from the sail to make food and use the energy from the sun to create the sugars used to make the food. They also use the carbon dioxide from the air to help create the food.
