I think it's B., calcite.
Not sure though.
Hope this helps,
-Tiara
True - An extensive chain of mountains or mountain ranges, especially the principal mountain system of a continent.
Carrier rna is the answer
They both have an egg cell wall, a vacuole, and chloroplast, smooth and rough ER, and much more.
Onion skin is treated to be a tissue because it is thin and - brittle.
The skin cells of the onion get a well which gives- the outer portion its rigid shape.
