warm moist air
The sun light is the most important because while it cannot be used by humans directly, it can be used by plants to grow and provide food.
Non-renewable energy sources are those that drain the fossil reserves. The most important non-renewable energy source on Earth is coal. If something is not done to make the switch to clean or green energy, the coal supply is not expected to last for more than 40 to 50 years.
We get most of our energy from the Sun.
The type of molecule that serves as a living things main source of energy is a carbohydrate. The most important carbohydrate is glucose. Glucose is the basic form of fuel in living things.
Rivers, underground water sources, most lakes and reservoirs are the most important freshwater source for people.
The Sun is the main and most important energy source.
energy, oxygen
hydrogen
The sun
the sun
the sun
Hydrocarbon fuel.
Fossil fuels
The most important source off all is WATER!
The energy from Sun is the most important.
- no air pollution - no greenhouse effects - no fossil fuel - the most important alternative source of energy - it is the energy of the future
Fats