When is a hurricane warning issued?
What will be an ideal response?
It is issued when sustained winds of 199 kilometers (74 miles) per hour or higher are expected within a specified coastal area in 24 hours or less.
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The process of photosynthesis converts sunlight energy into ________.
A. plant biomass and water. B. oxygen and plant biomass. C. water and oxygen. D. None of the options is correct.
What is the Mercalli Intensity scale based upon?
A. Seismic wave amplitude B. Damage and human reports C. Measurements from seismometers
What results from the work of cut banks to laterally erode the landscape?
A. valley deepening B. a braided stream channel C. valley widening D. the growth of a delta E. valley lengthening
Which group of people colonized Alaska, and controlled it until the United States purchased it in 1867?
A) Dutch B) Portuguese C) Russians D) French E) Spanish