Plz need fast if the amount of potential energy decreases and the amount of kinetic energy increases and speed increases does the total energy increase or decrease?

The different forms of a gene for a given trait are called .

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 7/81 as a percentage? round your answer to the nearest tenth of a percent.