It takes 100,000 years for a plate to move about 2 kilometers. what's the rate of motion in centimeters per year? ?

Which process collects sample soils from particular areas of a site? a.) repetitive sampling b.) restorative sampling c.) random sampling d.) representative sampling

The point where two air masses meet is called a

All of the following actions are examples of civil disobedience, except a.) refusing to pay an unfair tax b.) refusing to use government services c.) participating in a protest march d.)planning a riot to destroy a government riot