the tropical sahel region is particularly vulnerable to drought, but its ecosystems have mechanisms to cope and recover from this stress. what terms describes the ability of sahel regions to cope through drought cycles?

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