Recently in canada, scientists discovered evidence of a prehistoric wildfire they believe occurred when dinosaurs roamed earth. the fossils they discovered were used to study how forests looked before and after this fire. in addition to this comparison, what important information is revealed by these fossils?

The abundant plant fossils also allowed them for the first time to estimate climate conditions for the closing period of the dinosaurs in southwestern Canada. Additionally, it provided one more clue to reveal what the ecology was like, just before they went extinct.

answer; ///i do believe the answer is (virus);

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: