2. What process involves the moving of soil, sand, and gravel? O physical weathering
O erosion
O chemical weathering
O mechanical weathering
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What is the mercury length of time for one revolution around the sun?

Since 1980, which three countries have either attacked or been attacked by iraq? a. iran, turkey, united states b. iran, israel, jordan c. iran, kuwait, united states d. iran, saudi arabia, egypt

Fossil fuels such as coal, oil, and natural gas were formed over millions of years by