Which of the following gives the name for the bluish halo that may appear above pointed objects underneath a thunderstorm?

A. heat lightning
B. St. Elmo's fire
C. sheet lightning
D. fluorescence


Answer: B

Environmental & Atmospheric Sciences

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Land values are high in the CBD primarily because of

A) competition for limited space. B) high threshold and range. C) less intensive land use. D) construction of skyscrapers.

Environmental & Atmospheric Sciences

Despite a multitude of names given to describe portions of the ocean, it is more accurate to call it a single dynamic world ocean

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

If current energy consumption trends continue and the per capita income of the world increased dramatically, we would expect that

A) global climate change will be a greater problem. B) literacy levels will decrease. C) respiratory diseases in cities will increase. D) land and labor will no longer be economic factors.

Environmental & Atmospheric Sciences

Hydrocyanic acid, HCN, is a weak acid. Which of the following is the correct expression for the Ka of hydrocyanic acid?

A) [H3O+][HCN]/[CN-] B) [H3O+][CN-]/[HCN] C) [HCN]/[ H3O+][CN-] D) [HCN][CN-]/[ H3O+]

Environmental & Atmospheric Sciences