The amount of CO2 absorbed by plants through photosynthesis is enormous plants have the ability to absorb and in turn sequester enormous amounts of carbon over a very long time much of the excess atmospheric CO2 is from the result of burning phonology fuels
It pollutes the oceans waterd and can cause harm to the animals and can affect the the animals population which can make harm to the food chain
Chloroplasts is to conduct photosynthesis mitochondria is mostly the energy