What are the atoms that life needs to survive?
What will be an ideal response?
CHNOPS
C - Carbon
H - Hydrogen
N - Nitrogen
O - Oxygen
P - Phosphorus
S - Sulpher
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Couples in their thirties
A) have less education than the previous generation. B) get married younger than any previous generation. C) are more likely to get divorced than any previous generation. D) have a lower standard of living than any previous generation.
A sudden change in shape causes ductile deformation, while a slow change in shape causes brittle deformation.
a. true b. false
As a result of measures to control acid-deposition in North America, over the last 20 years emissions of sulfur dioxide have been
A) steady, with little decrease in acid-deposition due to rising levels of nitrogen oxides. B) reduced by about 10%, at great cost to the power producing industry. C) reduced to target levels at about the projected cost of compliance. D) reduced beyond target levels and at only a fraction of the industry-projected compliance costs.
A(n) ________ detects swelling and possible eruption in a volcano
A) tiltmeter B) anemometer C) seismograph D) ceilometer E) frightened graduate student