One of the best known craters on Earth is the Barringer Crater in Arizona. It was formed by:
A) a large volcanic eruption.
B) the same impact thought to have contributed to the extinction of the dinosaurs.
C) the impact of an asteroid whose mass was around 200,000 tons.
D) testing of nuclear bombs during the Cold War.
E) the impact of a comet whose mass was around 25 tons.
C
You might also like to view...
____ is the molecule in the cell nucleus that stores the information to make specific proteins out in the cell body
a. An enzyme b. DNA c. RNA d. ALH84001 e. PAH
Addition by 1. Components: Four vectors, 
, 
, 
, and 
, are shown in the figure. The sum of these four vectors is a vector having magnitude and direction 
A. 4.0 cm, along +x-axis. B. 4.0 cm, along -x-axis. C. 4.0 cm, along +y-axis. D. 4.0 cm, along -y-axis. E. 4.0 cm, 45° above +x-axis.
Acceleration: If the acceleration of an object is zero, then that object cannot be moving.
A. True B. False
Which of the following provides evidence that light is made of waves?
A) The individual dots seen on a photographic plate when a photo is taken at extremely short exposure times B) Interference effects seen when light passes through a narrow opening C) Both of the above. D) Experiments that spread light out into a spectrum of colors E) All of the above.