Prokaryotes are cells that lack? A: cell membrane

B: a nucleus.

C: genetic material

B.) Nucleus

Explanation:

Prokaryotic Cells , They do not have a nucleus or other membrane-bound organelles. In prokaryotic cells, the DNA, or genetic material, forms a single large circle that coils up on itself.

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

the animal that would be cutest if scaled down to the size of a cat? elephant