The function of upper motor neurons is to Multiple Choice excite motor portions of the thalamus. excite or inhibit lower motor neurons. excite or inhibit motor portions of the cerebral cortex. directly excite skeletal muscle cells.

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.