The result of reduced concentrations of ozone in the stratosphere include
A. a substantial increased concentration of greenhouse gases.
B. a decrease in the absorbance of energy by greenhouse gases.
C. a notable increase in ground temperatures in the tropics.
D. an increase in the amount of UV radiation reaching the ground.
Answer: D
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Answer the following statement(s) true (T) or false (F)
1. Canada's provinces have less autonomy than do U.S. states. 2. Today the eastern mountains have thin soils on steep slopes. 3. A greater range of natural hazards than in any other country in the world marks the natural environments of the United States. 4. A major growth in manufacturing occurred after the 1860s with the adoption of steel production. 5. The region called the America South includes all of Texas in the west and Florida in the east.
Throughout much of Earth's history, the global climate was probably ____
A) warmer than it is today B) colder than it is today C) about the same temperature as it is today D) more variable than it is today
The Earth’s present magnetic field direction is referred to as reversed. Indicate whether the statement is true or false
What was discovered that was strong evidence for that big bang theory
What will be an ideal response?