Identify and discuss factors that influence ecosystem productivity.

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Which best describes carbon dioxide’s path out of the body

Which characteristics are typical of a human population in the postindustrial stage?