Answer:
A
Explanation:
if you hide a storm drain it really doesn't do much because it doesn't clean the water, and all of the other options do clean water of contaminants.
Answer:
para mi es el virusc espero que ayude
Neurotransmitters are chemicals released at axon terminals to a target cell to continue to action potential
Mutualism represents a symbiotic relationship where both species involved benefit from the relationship, while on the other hand, commensalism represents a symbiotic relationship where only one organism benefit while the other does not benefit from the relationship.