Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase, because of an increase in agriculture and because more land will have to be cleared for increasing populations and agricultural use.
I guess the answer is B !! as it has no relevance and is not an observation !!
Hello there.
<span>Which valence have the greatest tendency to form ions?
</span><span>F. -3
</span>
Acetylcholine (ACh)
Acetylcholine is an organic chemical that functions in the brain and body of many types of animals as a neurotransmitter.