Approximately how much energy is lost in each transfer from one tropic level to another? - a. 10 percent - b. 50 percent - c. 90 percent - d. 25 percent - subject is in science.

What is drought? what problem can cause?

What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

Mosses, lichens and shrubs can be found where in russia? a. grasslands b. mountain regions c. coastal plains d. siberian tundra