How many kinds of fossils are there and what are they called?

In 1870, which path would settlers moving west from el paso to los angeles have followed? a) old spanish trail b) gila trail c) california trail d) oregon trail

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

The separation of northern ireland from the republic of ireland is an example of