You’re a healthy adult who is trying to incorporate more physical
activity into your life. you should strive for at least minutes
of exercise per day.
a.90
b.30
c.20
d.60

it's false.

"every person has their limitations which prevent us from accomplishing something. some are better than mathematics for example and some are worse. those people who are worse might never be able to become mathematicians, but that does not mean that they would not be great at doing something else."

b is the correct answer