Answer:
v = 1.5 m/s
Explanation:
Given that,
Distance covered by a person, d = 105 m
Time taken, t = 70 s
We need to find the average speed of the person. We know that the average speed is given by :

So, the average speed of the person is equal to 1.5 m/s.
Carbon has a tendency to form covalent bonds.
The crust
1. divergent (moves away from each other)
2. convergent (moves towards each other)
3. transform (slides past each other)
Polylactic acid is the correct answer
Von Steuben turned the ragged Continental Army into a more effective fighting force by drilling and teaching the army discipline