Very cold air is usually associated with
a. low density.
b. cyclones.
c. high humidity.
d. high pressure.
d. High pressure
Environmental & Atmospheric Sciences
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Which of the following terms refers to a second surge of electrons that proceeds from the base of a cloud toward the ground during cloud-to-ground lightning?
A. stepped leader B. dart leader C. return stroke D. downstroke
Environmental & Atmospheric Sciences
The explosive eruption of Mount St. Helens in 1980 generated a large amount of pyroclastic
material. Indicate whether the statement is true or false.
Environmental & Atmospheric Sciences
In what ocean are you least likely to find the patterns shown in the figure?
A) Atlantic Ocean B) Indian Ocean C) Arctic Ocean D) Pacific Ocean
Environmental & Atmospheric Sciences
What disease is diagnosed by monitoring amylase activity?
A) hepatitis B) liver cancer C) pancreatic disease D) prostate cancer
Environmental & Atmospheric Sciences