How many states have counties named for Thomas Jefferson?

A group of rock layers containing similar fossils of similar age is called a A. strata B. stage C. season D. series

What approaches would you use to place a value on sun microsystems?

How many countries in africa have portuguese as an official language?

Where were America's first roads built? A. beside existing waterways B. through the less dense areas of forests C. as close to sea as possible D. near big cities

If you decreased the surface area of a body of water, how would it affect evaporation?

The Gibraltar connects what two bodies of water?

Estonia, Lithuania, Ukraine, Belarus, and Moldova once comprised Yugoslavia. True False

Where do most volcanos form A) In the ocean B) Over a hotspot C) At plate boundaries

Which of these is not an environmental effect of destroying wetlands A. loss of habitat B. increased air temperature C. poor absorption of rain water D. unfiltered water

Iron atoms combine with oxygen atoms to form rust. Is this a physical property of iron or a chemical property?