As I am not to familiar cell plant to the looks precise the leaf shape on option A. Please dear correct me if I’m incorrect!
If by buffer you mean dilute or cancel out a 12 ph level is a base so you need to add the equal and opposite amount of acid to it....kind of like how -1+1=0
hope this helps im learning about this too!
Heat and light (campfire), chemical ( beans as food), and kinetic (you hiking).
Chronic jetlag can cause cognitive deficits that can be permanent. This happens because the normal circadian rhythm of the body is disrupted. The endogenous system of circadian timing in the body adapts slowly. This disturbance can impair the physical and psychological health of the person.