Biogeochemicals show pls nooo links or i will report how greenhouse gases increase global temperatures

the cycling of essential nutrients through the food web ending with decomposers recycling it into the soil to start again

the toxins moving down the food chain

the phosphorus cycle

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the