Which causes vasoconstriction? a. α-Adrenergic antagonist b. Calcium channel blocker c. Acetylcholine d. Norepinephrine

Option D) Norepinephrine

Explanation:

Norepinephrine, also known as noradrenaline acts as both a hormone and neurotransmitter.

Its effects is similar to epinephrine, in that during stress conditions epinephrine stimulates the heart to beat and pump blood faster, while norepinephrine helps to maintain blood pressure, causing the narrowing of the blood vessels, known as vasoconstriction.

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.