I need a correct answer! and its not B !

Select the correctly punctuated sentence.

a. School began on a cold September morning.

b. School began on a cold, September morning.

c. School began on a cold September, morning.

d. School began on a cold, September, morning.

I think its a.

Explanation:

I dont think there is a reason to have commas in between these words

answer: the sentence in the text that contains both the topic and the author's single most important idea about the topic

explanation: aww pineapple so adorable

the boy's acceleration toward the girl is 2.08 m/s^2.

explanation:

according the newton's third law, the force causing the girl accelerate towards the boy will be me with equal counter-force causing the boy to accelerate towards the girl. these forces will be of equal magnitude and allows us to determine the boy's acceleration:

the boy's acceleration toward the girl is 2.08 m/s^2.