Nuclear energy is attractive because the yield from uranium is about 1000 times

Question 50 of 60   1.667 Points
Nuclear energy is attractive because the yield from uranium is about 1000 times that of coal per unit weight. What is a significant drawback?

 

   A. Greenhouse gases.   
 

   B. Methane production.   
 

   C. Drilling.   
 

   D. Locating uranium.   
 

   E. Waste disposal.   
Question 52 of 60   1.667 Points
In competing populations of organisms, genetic variations that ______________competition are favored through natural selection.

 

   A. Increase   
 

   B. Cause exponential growth   
 

   C. Reduce   
 

   D. Stay the same