Salutations! Both share wisdom/teach a lesson. Please tell me how you did.
C. Was
It says "my parents or my older sister". The last subject stated is "my older sister" which is singular. And the only choice that's singular is 'was'. So that should be the answer.
B. The flaming bronze colors
Srry if I’m wrong
"The rate of change of momentum of an object is directly proportional to the resultant force applied and is in the direction of the resultant force."