Answer:
D
Step-by-step equation:
-10 + 30 = 20
It's like walking ten meters to the left, then walking thirty meters to the right. The result is walking 20 meters to the right. It's the same with force.
Answer:
An arthropod is an invertebrate animal having an exoskeleton like a crab and a centipede.
Well I not a computer Genius but no well yes
