Plants are able to produce special chemicals at the right time and place

HELP

true

or

false

it is gonna be true cause they produce many special chemicals

Explanation:

thank u can u mark m brainliest plz i do wat i can to get u right

i think the answer is a.keratin is the pigment responsible for skin color.

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