solar energy bonds

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Biology help??

1. Carbon is cycled back to the carbon dioxide pool by

a)cellular respiration, erosion, and combustion

b)assimilation,photosynthesis, and respiration

c)decomposition, erosion, & assimilation

d) combustion, photosynthesis, and decomposition

2.Ozone depletion in the atmosphere

a)leads to the formation of acid precipitation

b)leads to a rise in chlorofluorocarbons

c) allows more harmful radiation from the sun to reach the earth

d) both b & c

3. Solar energy can be trapped in the atmosphere by

a) the chemical bonds of carbon dioxide

b) the chemical bonds of ozone

c) radiation

d) sunlight

Please explain all answers!! All help is appreciated! Thanks much! ; )

1. A
Cellular respiration is something you do everyday in which glucose is combined with the oxygen you breath to get water and CO2, combustion is a gas plus oxygen that will always produce CO2 and water as long it is complete combustion.

2. I think C, not sure.
Ozone does protect us from harmful radiation so if it’s depleted, more harmful radiation will reach us. As for Chlorofluorocarbons, they cause ozone depletion, not the other way around. Acid rain is caused by pollution.

3. A
The chemical bonds of ozone sort of bounce the energy from reaching us. Radiation is solar energy as well as sunlight, so it can’t trap itself in the atmosphere. Gases and liquids like anything, absorb heat, so the chemical bonds of CO2 absorb the solar energy, or sunlight.

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