What system does kidney disease affect? a. circulatory system b. respiratory system c. excretory system d. nervous system

need answer right now

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Why should the united state be concerned about air pollution in china?

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water