Answer:
answer is a pedigree chart :)
Explanation:
Two identical balls collide<span> head on. The </span>initial velocity<span> of </span>one<span> is 0.75 </span>m/s<span> east, while that of the </span>other one<span> is 0.43 </span>m/s west<span>.</span>
Answer:
A. pulls back on the Earth, which is the main cause of the rise and fall of the ocean tides on Earth.
All machines are not 100% efficient because of <span>C. Friction</span>
