Answer:
Earthquakes
Explanation:
Earthquakes are caused by the movement along the fault, which is found near the boundaries of two tectonic plates. The specific fault where plates slide against each other is known as the transform fault.
The second one is A, amount of time
Answer: people use it for trade
Well to find this out you need to make an equation
s+7=j
So for example if Johnny's sister is 15 then Johnny would be 22 because
s(sister's age) +7(number of years difference between their ages)=22(Johnny's age)
