9. there are 5 stratigraphic principles, list these principles and describe them below: 10. there are 5 mass extinctions that have occurred during earth's history, list the periods during which these extinctions occurred

Advantages and disadvantages of mitigation and adaptation

Rescooperate ice cream shop recently analyzed their books. they found that in the past year, they made 100000 selling ice cream and spent 75000 on supplies and factory space. the remaining 25000 represents

Compared with the land in the highlands, the lowlands region of england a) rockier and more difficult for farmingb) the center of business and industryc)richer in coal reservesd)covered by more fertile farmland d) covered by more fertile farmland