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an area of water that is closest to the shore of a water body.
small, non-pigmented plastids that occur in roots and non-photosynthetic tissues of plants. They...
all the different living organisms on the Earth from the smallest micro-organisms to the largest...
atmospheric gases, especially carbon dioxide, methane, nitrous oxide, ozone and water vapour,...
the part of the cell that controls all the activities of the cell and plays an important role in...