In 1949, the communists won control of mainland china and established the people's republic of china under

a. deng xiaoping
b. sun yat-sen
c. mao zedong
d. kim ii sung

What is the result of the greenhouse effect? a. heat is deflected from the atmosphere. b. heat is released from the atmosphere. c. heat is kept in the atmosphere. d. plants are able to grow in the tropics where the air is the heaviest.

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

After considering options, a student using the problem-solving process should next