I guess the answer is B !! as it has no relevance and is not an observation !!
C waning crescent and waxing crescent
<em>Homo sapien ((human))</em>
<em>Bat ((mammal))</em>
<em>aliigator ((reptilious))</em>
<em>Frog ((amphibious))</em>
<em />Fish
I'm pretty sure the answer is <span>B) Renewable resources can be impacted by weather.
Another disadvantage is that it can be pricey, but please tell me if it's right. :3</span>
After crystal violet staining, the Gram-positive bacteria may appear dark blue or violet. The cell wall of gram positive bacteria have thick peptidoglycan layer, thus it retains the crystal violet stain compared to gram negative bacteria.