Coal oil natural gas
an energy source
most likely, it's coal
The Sun
solar energy there is always sun
most likely, it's coal
most likely, it's coal
The main source of energy on Earth is the Sun. Energy from the Sun reaches us through electromagnetic radiation, including visible light and heat. This energy drives Earth's climate, weather patterns, and sustains all living organisms through the process of photosynthesis.
The three main types of molecules in food that provide us with energy are carbohydrates, proteins, and fats. Carbohydrates are the body's preferred source of energy, while proteins and fats play important roles in energy production and storage.
Coal - about 50 percent of total
Petroleum (oil) natural gas and coal
The macronutrients in food provides us with the ENERGY we need to survive.
Mainly, it is important for us, as our main energy source.