Answer each question with 1 answer. 10. At high pressure near the Earth's surface, what is typically experienced? A. Divergence and sinking air B. Convergence and rising air C. Convergence and sinking air D. Divergence and rising air 11. On average, when is the relative humidity the lowest during the day? A. Around noon, when the sun is the strongest B. Around 7pm, when the sun is setting C. Around 4pm, when it is the warmest D. Around 7am, when it is the coldest 14. Which of the following is a constant gas in Earth's atmosphere? A. Carbon Dioxide B. Water Vapor C. Oxygen D. All answers are correct
Introduction:
High pressure near Earth's surface usually brings clear skies, calm winds, and stable weather conditions.
Discussion:
let's discuss each option and why it is not typically experienced at high pressure near the Earth's surface:
A. Divergence and sinking air: Not typically associated; high-pressure systems involve descending air but not divergence at the surface.
B. Convergence and rising air: Typically experienced; high-pressure areas involve air convergence at the surface, causing air to rise.
C. Convergence and sinking air: Not typical; high-pressure systems involve convergence, but air sinks from aloft, not at the surface.
D. Divergence and rising air: Not typical; divergence and rising air are associated with low-pressure systems, not high-pressure areas.
Solution:
So the correct option is B. Convergence and rising air
At high pressure near the Earth's surface, typically, there is convergence of air at the surface. Air masses are coming together at high-pressure areas, and as a result, the air tends to rise.
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