Explain the physical processes behind speed divergence, speed convergence, diffluence, and confluence
What will be an ideal response?
Answer: Speed divergence and speed convergence occur when air moving in a constant direction either speeds up or slows down. A second type of divergence and convergence, diffluence and confluence, occurs when air stretches out or converges horizontally due to variations in wind direction.
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Which of the following expands most when the temperature is lowered? Equal volumes of
A) iron. B) wood. C) helium. D) water at 4°C. E) None expand when the temperature is lowered.
Of all the mineral and energy resources in this figure, which is the most important resource in terms of quantity consumed?
A) Natural gas B) Iron C) Petroleum D) Stone
Sediment deposition occurs primarily in what part of a river system?
A) the flood plain B) the head waters C) the trunk stream D) near the outlet E) the drainage divide
What is the biggest environmental issue facing humanity?
A. Volcanic eruptions may cause climate change B. Depletion of local drinking water supplies C. Sustainability D. Coastlines may be drowned by rising sea levels