Select all correct answers. You are in the developing country of Dominican Republic as part of Doctors Without Borders to test indoor air quality. 75% of your readings are 20 times higher than the U.S. EPA standards. To help residents improve their indoor air quality, what recommendations would you make?

In the following figure, is a primary consumer and is a secondary consumer.   

Select all correct answers. What are the environmental impacts from mountaintop removal mining?

Select all correct answers. What are the environmental impacts from mountaintop removal mining?

Select the disadvantage(s) of hydropower.

This statement is an example of ________________. Exercise causes muscle growth.

Gru asked the Minion Kyle to fuse the metal iron with carbon to produce steel. This is an example of creating a(n)

Since placer mining washes a lot of debris into streams, the habitat of aquatic organisms is improved.

This is a chemical element that is typically lustrous, opaque, malleable, and can conduct heat and electricity. It is typically found within ore.

This statement is an example of ________________. Exercise causes muscle growth.