A strong chemical bond in which electrons are shared rather than transferred or exchanged
(HINT: An example is the bond in quartz):
a. covalent bond d. orogeny
b. metallic bond e. ionic bond
c. malleable
A
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A scientific theory that seeks to understand relationships between all organisms, both alive and dead is:
a. hypothesis b. evolution c. observation d. all of the above
A large volcano sits in Eastern California in a popular vacation area. This volcano erupted catastrophically in prehistoric times. The area was geologically quiet for thousands of years. However, changes have occurred in recent decades
Many small earthquakes have been recorded, the volcano is releasing carbon dioxide gas, and its flanks are swelling. Scientists estimate from these observations that there is a 1 in 6 chance that the volcano will erupt at any time. 1. Should disaster officials warn the public? If so, what's the best way to explain the risk? 2. Should the area be evacuated? 3. What are some consequences of warning the public? 4. What are some consequences of not warning the public?
Where was the first "zero longitude" line?
a. Athens b. Rome c. Alexandria d. Greenwich e. Syene
Ozone destruction appears to be related to increasing levels of ________ in the atmosphere.
A. sulfur B. water vapor C. carbon dioxide D. dimethyl sulfide E. chlorine