Ineed . i'm in eighth grade and normally in school we take notes and based of those notes we have a test on them but i don't know how to study them. any tips?

Break down of rocks and minerals into smaller particles without a change in composition is called_

Nathan is an ecologist. he’s studying the effect of secondary consumers on primary consumers. his current research focuses on a population of blue jays and crows. they eat caterpillars and mice. if the number of blue jays increases, what are the likely effects on other populations? 1the number of crows will increase. 2the number of mice will decrease. 3the number of mice will remain the same. 4the number of caterpillars will decrease.

What are the disadvantages of the american media’s coverage of the election process, and why do many people consider it bad for democracy?