The oxygen atoms in Earth's atmosphere were created
A. during the formation of the Earth.
B. by nuclear fusion in massive stars.
C. when atoms first formed, about half a million years after the beginning of the universe.
D. during the Big Bang.
Answer: B
You might also like to view...
From Earth, the center of the Milky Way lies in the direction of the constellation Cygnus
Indicate whether the statement is true or false
The energy associated with random atomic and molecular motion is known as
A) thermal energy B) radiative energy C) mass-energy D) potential energy
The lakes of Titan consist of liquid ________
Fill in the blank(s) with correct word
When a flower petal is 4.0 cm in front of a convex lens, the inverted image is half the height of the petal. What is the focal length of this lens?
A) 1.3 cm B) 2.0 cm C) 4.0 cm D) 5.3 cm