The eruption of Nevado del Ruiz in Columbia in 1985 dropped hot pyroclastic debris onto glaciers, resulting in lahars.
Answer the following statement true (T) or false (F)
True
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By which of the following methods have scientists tried to modify hurricanes?
A. seeding the hurricanes with silver iodide B. igniting huge smoke bombs in the eye of the storm C. putting an oil slick over the ocean water and igniting it D. seeding the hurricanes with hair-thin pieces of aluminum called chaff
A number of factors tend to stabilize the geography of culture regions. List some of these factors
What will be an ideal response?
Why is heat the most important form of energy transfer for geologic processes?
A) Heat from the Sun fuels Earth-surface processes, such as wind, ocean waves, and the evaporation and precipitation of water. B) Heat cancels out the cold, allowing geologic processes to occur. C) Heat makes rock melt so the plates can move. D) Heat from the earth warms human's houses during the winter.
Which of the following is an appropriate definition of an aromatic compound?
A) Any compound that contains one or more benzene-like rings B) Any compound that contains one or more 6-membered rings. C) Any compound that contains a double bond within a 6-membered ring. D) Any compound with a pleasant odor.