Answer:
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Explanation:
Cross pollination is the transfer of pollen grains from the anther of a flower to the stigma of a flower of a different plant of the same species.
Self pollination is the transfer of pollen grains from the anther to the stigma of the same flower
Answer:
The relationship between CFCs and ozone layer is that the release of CFCs in the atmosphere harms or depletes the ozone layer
Explanation:
CFCs or chlorofluorocarbons are made up of chemical compounds like carbon,fluorine and chlorine. They are used as important refrigerants and solvents in the manufacturing of refrigerators, ACs, coolers and aerosols sprays. When it is released in the environment due to improper appliance disposal or leakages it goes high up in the atmosphere where it is broken down by the UV rays and then the chlorine atoms released after this process attack the ozone molecules and destroy them. Therefore, depleting the ozone layer.
Answer:
Though swamps and marshes generally used in interchangeable manner, there is a difference between them.
Explanation:
Swamps are basically a type of wetland which is dominated by woody plats and other tress, where as in marshes wetland we can generally found herbaceous type of plants.
Swamps vegetation most of the time depends on the fluctuation of water level. but in case of marshes, these are found at the border of lakes or ponds.
