What kind of drainage pattern has developed inside the Okmok Caldera?
The question is based on Map T-2, the “Umnak, Alaska” topographic map (scale 1:250,000; contour interval 200 feet).
What will be an ideal response?
Centripetal
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If a rock is poorly sorted, this means the rock contains
A. some parts that are reddish and others that are not. B. a great variety of rock types as clasts. C. mostly sand. D. a wide range in the size of clasts. E. some angular and some rounded clasts.
Cut-off cyclones feature intensifying precipitation
Indicate whether the statement is true or false
Soil oxygen concentrations are lower than atmospheric oxygen concentrations due to ongoing respiration processes in the ground
Indicate whether the statement is true or false
Which of the following is TRUE?
A) Natural sources of air pollution are not a concern in terms of human health. B) Though infrequent, natural events that produce air pollution may cover large areas. C) There is no reason to be concerned about natural sources of air pollution. D) Natural sources of air pollution are a relatively new occurrence.