What is the main function of ribosomes

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

Actual age your first developed of age well comparison age refers to absolute age true or false

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.