4. Animals use their legs to move from place to place. How do cows, carabaos, horses, and goats use their hooves?
A. To chew grass and leaves
C. Protect their toes.
B. Help them move in water
D. To keep them warm​

Which course of action did president carter propose in order to solve this problem for the next generation? a. contract with foreign nations to build wind turbines b. reduce federal spending on solar cell energy research c. drill fewer offshore wells to conserve marine life d. develop alternative energy sources