Name some effects of ultraviolet radiation.
What will be an ideal response?
Ultraviolet radiation can be damaging to living organisms, causing sunburn; skin cancer; damage to eyes, including cataracts; and premature aging and wrinkling of the skin. UV radiation can also break down the food chain by destroying plankton in the ocean and depriving certain species of their natural food. Plant life and crops can also be harmed or destroyed by excessive radiation.
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Technician A says that all air compressors are gear driven. Technician B says that air driers remove moisture and contaminants from the air system. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
The rate of increase or decrease of a taper along the length of the taper is called the taper ratio.
Answer the following statement true (T) or false (F)
__________ is/are noted in this text as a “good refuge for fugitive slaves”
a) The swamplands of the southern states b) The Appalachian Mountains c) The Ohio River Valley d) The West Texas Desert
Pressure gauges always read less than 10 lbs per square inch.
Answer the following statement true (T) or false (F)