Which answer choice best corrects the punctuation errors in the sentence, if any errors exist?
is the dog chewing my sun hat, grandma cried.
a."is the dog chewing my sun hat," grandma cried!
b."is the dog chewing my sun hat? " grandma cried.
c."is the dog chewing my sun hat," grandma cried?
d. no changes to the sentence are necessary.

because most jews were in the concentration camps and dying horrible deaths while anne could be with her family in a warm place with shelter, food, water, and a place to sleep.

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.