Carlos began studying to become a doctor in college.
what is the best revision of this sentence?
carlos learned chemistry and biology in college as part of his medical studies.
carlos took a lot of science classes in college as part of his medical studies.
carlos wrote many lab reports as part of his medical studies.
carlos played sports while also studying to become a doctor in college.

The answer is Carlos learned chemistry and biology in college as part of his medical studies.

the third answer is right : )

i hope this you with your work! : )

the gas pressure p, gas volume v, and gas temperature t are given in the formula:   pv=nrt,

r is the gas constant, and n is the number of gas moles.

if the container is cooled and remains under atmospheric pressure, where r is a constant that does not change, the volume of the container remains the same, the conclusion is drawn that, with all other values ​​unchanged, the number of gas moles n, is decreases.

the right answer is a.