How do you get a scar from a pimple?

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Illustrate, label, and explain how atmospheric carbon and oxygen find there way into a consumer and then back into a producer. include the following terms in your illustration: co2, 02, respiration, photosynthesis, sugar, mitochondria, chloroplast, water, solar radiation