Why is the giant iguana a good example of Charles Darwin's theory of adaptive radiation, or the way a species adapts to its environment ?
(20 points)

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d