Why do we study environmental science

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?