Answer: A
Explanation:a force is baisicly a vector that has a certain direction and magnitude the more magnitude it has in the direction its pulling the faster the object effected by it will go to it. it seldom is the stregnth with most forces it just depends on magnitude
Mantle I think that is it!
Answer:
4500 years old
Explanation:
Line up 50 to the graph on the y axis and it gives a x value of 4500