Kokichi ouma for russian president

(its a “politics question”)

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

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.

According to the law of supply,suppliers want to sell their product at prices