According to current astronomical data, approximately how old is the universe?
A) 65 million years
B) 6000 years
C) 4.6 billion years
D) 14 billion years
D
You might also like to view...
Which of the following is a primary cause of volcanoes earthquakes and mountain building?
Is a fuel-cell vehicle properly described as a "heat engine"?
A) Yes, because it uses thermal energy to produce electricity. B) Yes, because it uses chemical energy to create electric energy. C) Yes, because it uses thermal energy to do work. D) No, because it converts chemical energy directly to electric energy. E) No, because it converts electric energy directly into chemical energy.
How deep under the surface of a lake would the pressure be triple that at the surface? (1 atm = 1.01 × 10^5 Pa)
a. 1.00 m c. 10.3 m b. 9.80 m d. 20.6 m
The escape velocity from Earth is greater for larger rockets than for small ones
Indicate whether the statement is true or false