Examlex
Low level carbon monoxide exposure over a long period of time places stress on the heart.
Stratospheric Ozone
A layer of ozone molecules located in the Earth's stratosphere, protecting life by absorbing most of the sun's harmful ultraviolet radiation.
UVB
Ultraviolet B light, a component of sunlight with wavelengths between 280-315 nm, known for its role in vitamin D synthesis and skin tanning.
CFCs
Chlorofluorocarbons, compounds that were widely used as refrigerants and aerosol propellants but are harmful to the ozone layer.
Sulfur Oxides
Compounds formed from the combination of sulfur and oxygen, often produced by burning fossil fuels, and are significant contributors to pollution and acid rain.
Q2: Which of the following is NOT found
Q49: One of the effects of increased levels
Q52: The raw materials for the production of
Q61: It is cost effective to try to
Q65: Which of the following human activities contribute
Q79: Which of the following will result from
Q96: What functional group(s)is (are)contained in an amino
Q133: It is estimated that over _ of
Q145: Liquid crystal display (LCD)monitors have largely replaced
Q152: Which of the following is NOT a