When he reaches the bottom, 4. 2 m below his starting point, his speed is 2. 2 m/s. By how much has thermal energy increased during his slide?.

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.

What is it called when someone gets sick from eating food contaminated with germs or toxins? a. potentially hazardous food b. ptomaine poisoning c. foodborne illness d. raw food

Compare the advantages and disadvantages of using cash instead of a credit card to obtain good services