What has caused the monarch butterfly population to decrease by 90% over the past 20 years?

coconut why: has water in it : )

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.

examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101