Which statements about interstate compacts is true?
a. there are no compacts in effect among all 50 states
b. congress generally must approve interstate compacts
c. the number of state compacts has declined since 1920
d. states cannot form compacts with foreign states

If there were no system of checks and balance, the process of government would eventually fall apart. do you agree with this opinion? why or why not?

What is a country called that is technically independant but is controlled by another country

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.