Because plant life needs the sunlight too make their food. The plants are then eaten by animals, which are eaten by other animals, etc. The sole source of energy is from the sun.
because this is wrong + actually energy can be recycled + reused in an ecosystem
it will some day and die
energy
smooth muscle
Lipids
That's called - Oxygen.
when you reach the 20,000 ft mark.
The energy must be supplied to the solid so that it melts.
For living things to carry out their processes, energy must enter the earth system constantly.
The energy must be applied to the phase change before it can heat the substance
energy
energy
energy
its a solid or just go to a experienced website
Sun provides heat to earth's surface. It provides thermal energy to the earth.
Geothermal energy is extracted form the Earth at a physical location on the Earth. To transport the energy it must be converted to electricity and sent dowm wires.
Energy
Energy
Object further away from gravitation center has higher potential energy. Therefore work(energy expense) must be done to put it there.