The answer to your question is Limestones
I’m just going to send this to you haha. I don’t think this is gonna help much but let’s see
C is going to be the best answer
<span>La Niña, there is marginal rainfall and stronger winds in East Africa, while the El Niño warm phase leads to weak wind conditions with frequent rain. Moreover, during the coldest period of the last ice age about 18 000 to 21 000 years ago, East Africa's climate was relatively stable and dry. Hope this helps, good luck </span>
