Most scientists believe that the Big Bang took place approximately ____ years ago
A)140 billion
B)40 billion
C)14 billion
D)140 million
E)40 million
C
You might also like to view...
What is the largest category of exports from Canada to the United States?
A) automobiles and automobile parts B) energy resources C) iron ore D) forest products E) computer hardware
China's family planning and birth control program was instituted because of a serious threat of ____________________
Fill in the blanks with correct word
Which of the following sequence of responses could not occur as a result of flood basalts?
A. the altered atmosphere changes the heat balance of Earth via greenhouse effect B. globally, the climate would stay the same and not change C. the composition of the atmosphere would change D. concentrated volcanism would emit tremendous volumes of gases
The minerals andalusite, sillimanite, and kyanite all have the chemical formula, Al2SiO5. Explain how three different minerals can have the same chemical components and why this fact is important