Membership in either of the two major parties is a. closely regulated by federal law.
b. closely regulated by State law.
based on economic status.
c. Based on economic status
d. Based on personal choice.

Which group of islands is called the land of fire and is located at the southern tip of south america

Which number identifies the guyot? a. 1 b. 2 c. 3 d. 4 e. 5 f. 6

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.