Fossils are formed when a plant or animal dies in a watery environment and is buried in mud and silt. Soft tissues quickly decompose leaving the hard bones or shells behind. Over time sediment builds over the top and hardens into rock.
1.) Reduce the number of trips you take in your car.
2.) Reduce or eliminate fireplace and wood stove use.
3.) Avoid burning leaves, trash, and other materials.
4.) Avoid using gas-powered lawn and garden equipment.
All living things need to make ENERGY to function and live. It is needed to grow, reproduce, move, and to work.
Whether...
Plants need energy to make produce oxygen and glucose to...
Humans need energy for respiration(breathing out CO2 and taking in oxygen) to...
Bacteria too...for something that I can't think of at the moment:P
I would say the 2nd one It helps growth and repair of cells of orgasms
But your school would probably say the 3rd one It helps remove toxins from the body to maintain homeostasis
