• UV-A rays can easily be blocked by window glass.
• In which atmospheric layer does most of the Earth's weather occur?
o the troposphere
• What is one result of the overuse of groundwater?
• Which statement best explains biological magnification?
o Organisms at higher trophic levels have more concentrated levels of toxic substances
• Increases in ultraviolet radiation will cause an increase in the incidence of skin cancers and eye
cataracts, and will suppress the human immune system.
• Biodiversity is balanced between biological evolution and biological extinction.
• Which age structure would be associated with a country that has a rapidly growing population?
o A structure that has a broad-based pyramid
• What is one