Answer:
a
Explanation:
Mandela was jailed because of apartheid
Weathering is a slow process. It takes thousands of years to erode a rock or land mass. This is going on today with our beaches and the rocks in the ocean.
Push factors are factors that make people want to leave their environment they are living in, while pull factors are factors that attract people to an environment. Examples of push factors are famine/drought, and war, and pull factors are good living conditions, good jobs, good education