Citizens of the European Union tend to pay higher taxes, but in return they .
A.
have a cleaner environment
B.
have a larger military
C.
have more social protections, such as free health care
D.
have very low unemployment rates

Why don't all places on earth receive the same amount of direct sunlight at the same place?

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

Which environment would most likely not contain fossils? a a thick deposit of cracked, dried mud b sediment deposited in a sandy river bed c intrusive rock formed from cooled magma d layers of sand accumulated for a century