D. a viral disease because it is known and unknown and spreads.
Answer:
Atoms are the most reactive when they have a full outer energy level.
Explanation:
Atoms are the least reactive and most stable when their outermost electron shell is full.
I think it’s increase in gene flow
Answer:
Motor neuron
Explanation:
Motor Neurons (effector neurons) relay information from the CNS to other organs terminating at the effectors. It takes the information from the brain to the effector.
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