Dopamine is a neurotransmitter that when released in the brain tends to make a person feel happy. Certain drugs stop the synapses from removing neurotransmitters. When these drugs cause an increase in the amount of neurotransmitters
in the synapses, which response would be increased?
O sleepiness
O happiness
O sadness
O alertness

your answer is true

i am 100% sure

explanation:

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.

dont know just give me brainliest