(c) Describe and explain how the structure of the human gas exchange surface iş adapted for maximum efficiency.

the correct answer would be 6 feet.

the dark variety, as they are not visible on the dark tree barks

explanation:

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up

the answer is: metamorphic rocks often show the presence of fossils, also a

hope i

-lavira: )