What is the rate of scientists groups of organisms?

Covalent bonds are formed between metals and boiling points true or false

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.