Question

Science I need help please help

Answer 1

Answer:

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Explanation:

2.The initial source of energy in most ecosystems comes from sunlight which is converted into chemical energy by photosynthetic organisms which are then consumed by other heterotrophs. Organisms that can use sunlight are referred to as producers.

3.Carbon moves from fossil fuels to the atmosphere when fuels are burned. When humans burn fossil fuels to power factories, power plants, cars and trucks, most of the carbon quickly enters the atmosphere as carbon dioxide gas. Each year, five and a half billion tons of carbon is released by burning fossil fuels.

Can't understand 1st question