What percentage of the energy consumed in the United States is produced by petroleum, natural gas, and coal? A) 10%
B 30%
C 50%
D 70%
E) 90%

Which statements describe continental crust? select the three correct answers. a-it is formed in all parts of the continents. b-it is made mostly of volcanic rock. c-it is destroyed by melting near the top of the mantle. d-it is less than 10 km thick. e-its ages ranges from very young to more than 4 billion years old.

Unlike plato, aristotle emphasized that knowledge is a product of

Asafe and responsible driver must have a. a positive attitude towards driving b. a friend in the car to navigate c. a gps system d. the ability to drive aggressively