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1. what element is found in all living things on earth?

2. what's the food process plants?

3. why can you say that plants are a sink for carbon?

4. what will happen if all the plants on earth died?

5. where does carbon in fossil come from?

6. how have humans caused an imbalance in the carbon cycle?

7. why is the burning of fossil fuels a concern for scientists?​

Sagot :

victoriasnuez

Answer:

  1. oxygen (O), carbon (C), hydrogen (H), and nitrogen (N).
  2. Their roots take up water and minerals from the ground and their leaves absorb a gas called carbon dioxide (CO2) from the air. They convert these ingredients into food by using energy from sunlight. This process is called photosynthesis, which means 'making out of light'. The foods are called glucose and starch.
  3. they absorb carbon dioxide from the atmosphere.
  4. eventually on the living beings on the planet will also die
  5. part of the plant.
xxsofia568xx

(Answer)

1. oxygen (O), carbon (C), hydrogen (H), and nitrogen (N).

2.Their roots take up water and minerals from the ground and their leaves absorb a gas called carbon dioxide (CO2) from the air.

3.As plants photosynthesize, they absorb carbon dioxide from the atmosphere. When plants die, the carbon goes into the soil, and microbes can release the carbon back into the atmosphere through decomposition

4.If all the plants on earth died, eventually on the living beings on the planet will also die.

5.The carbon becomes part of the plant. Plants that die and are buried may turn into fossil fuels made of carbon like coal and oil over millions of years.

6.Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere.

7. (1) Carbon fuels like wood , coal , petroleum release unburnt carbon particles. ... (3) Combustion of most fuels releases carbon dioxide and carbon monoxide in the environment. It is very harmful and poisonous gas. (4) Excessive amount of these particles in the air causes breathing problems

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