1. Explain how you determined the age of the intruding rock on table C. 2. What information does the mass spectrometer provide?

3. In table E, how did you determine the identity of the unknown fossil?

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange

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

This country is the world's leading producer of cork?