All months average below freezing in ice-cap and ice-sheet climates

Indicate whether the statement is true or false


TRUE

Environmental & Atmospheric Sciences

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The Kyoto Protocol calls for an overall reduction of greenhouse gases of 5.3% below the 1990 levels. What was the average level of CO2 in 1990? What would the level of CO2 be if the Kyoto goal was met? How many ppm below current levels would that be? The “Group of 77” countries favor a 15% reduction below 1990 levels. What would that level be, and how far below present levels is it?

What will be an ideal response?

Environmental & Atmospheric Sciences

Both a hydroelectric power plant and a fossil fuel power plant require ________ in order to generate electricity

A) a water pump B) a turbine C) fuel D) steam

Environmental & Atmospheric Sciences

Which of the following is common in most calderas?

A. thick sequences of volcanic ash B. a large circular depression with steep walls C. rounded mountains that are volcanic domes D. All of these choices are correct.

Environmental & Atmospheric Sciences

Fronts are associated with high pressure

a. true b. false

Environmental & Atmospheric Sciences