The answer is <span>B)coronary arteries </span>
Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion.
<span>Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.
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Answer:
The very bottom one
Explanation:
Thymine and Adenine always pair together while cytosine and guanine go together.
The effects of epinephrine are typically observed within 1 minute following administration.
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Explanation:</u></h3>
The chemical that is used for the purpose of making blood vessels to be narrower and opening the airways in the human lungs are the Epinephrine. This can be used for reversing the low BP, skin itching problems, reactions based on allergy, wheezing problems,etc.
The effects of this chemical will be observed within the period of 1 minute. It is also called as adrenaline which is a hormone released by the adrenal glands. The blood pressure, anger and fear are some of the things that are associated with the release of this hormone.