Which activity is an example o muscular strength?

a: riding a bike for 20 miles
b: lifting bags of groceries
c: swimming for 40 minutes
d: running for 30 minutes

i think itś the 2nd one because its not anything major like having sex. its putting limits to your self if that makes sense.

hope that and feel free to ask me more questions : )

brainliest? ?

answer; the national uniform billing committee(nubc);