The Oort cloud is ________
A) another name for the inner solar system, just before the Sun became hot enough for nuclear fusion
B) the asteroid belt
C) the outer solar system where planetesimals, rocky debris and comets orbit outside beyond the outer planets but cross into the inner solar system at times
D) an unusual type of cloud formed when meteorites strike the earth
C
You might also like to view...
Urbanization is best defined as the
A. decline of suburban populations. B. creation and growth of urban and suburban areas. C. homogenization of ecocities. D. replacement of hypercities with megacities. E. migration of the U.S. population to less populated states.
The shininess of metals is due to
A. loose electrons vibrating to the oscillations of any incident light. B. absorption of light. C. reflection of 100% of incident light. D. none of the above
What is the amplitude in an earthquake?
What will be an ideal response?
What happens to the mRNA when it binds to the two ribosomal bodies?
A) Nothing, it retains its original three-dimensional shape. B) It forms a double helix. C) It is stretched out. D) It splits into two parts, each of which is associated with a ribosomal unit.