Scientists use experiments and observations to make logical conclusions about scientific inquiries. this process is called the

Why is it important that fibrin is insoluble in water?

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.

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million