The major source of lead exposure is via ____.
A. peeling paint and dust in older homes
B. traveling on air planes
C. emissions from nuclear plants
D. physical contact with lead
E. living in an earthquake prone region
Answer: A
You might also like to view...
The Richter earthquake magnitude scale is based on the total amount of energy released by the earthquake.
a. true b. false
Tsunamis can be detected on the open ocean through
A) measurement of changes in pressure exerted on the sea bottom by the water column B) shipboard observations of wave heights C) seismometer records D) measurement of wave speeds with Doppler radar
If the amount of water vapor in the air remained constant, but the air temperature increased throughout the day, the relative humidity would
A) increase. B) decrease. C) remain constant.
The Himalayan Mountains are thought to have formed ________.
A. by ocean-ocean convergence B. at a spreading center C. by continent-ocean convergence D. by continent-continent convergence E. at a transform fault