in a tropical forest the trees often grow very closely together, which reduces the amount of light reaching the forest floor. the seeds of many species will not germinate unless they get plenty of light. Suggest why this is an advantage to the seedlings. someone answer this pl

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun