During the stage of the general adaptation syndrome, intense arousal occurs as the body mobilizes internal physical resources to meet the demands of the stress-producing event.

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Waste water from industries and domestic sources can be treated by chlorination or ultraviolet radiation. there are pros and cons to using either chlorine or uv radiation to kill harmful microorganisms. what is one reason chlorination would be preferred over ultraviolet radiation? a) chlorine only eliminates visible impurities and is ineffective against microorganisms. b) chlorine not only kills bacteria but provides a residual effect on returning microorganisms. c) uv radiation can be used only to treat drinking water and is ineffective in treating waste water. d) ultraviolet radiation is more effective

Which of these is the best source of stem cells and minimizes the risk with cell transplantation