Shield volcanoes have low slopes primarily because
A) the low viscosity of basaltic magma allows it to flow downhill for long distances.
B) they never erupt from the same place twice.
C) their abundant ash layers spread out large distances.
A) the low viscosity of basaltic magma allows it to flow downhill for long distances.
You might also like to view...
Which of the following statements is NOT true concerning the supercell wall cloud?
A) indicates a tornado may form soon B) caused by intensification of the mesocyclone C) usually located on the north/east side of the supercell D) forms when cool air is drawn into the storm's updraft
A covalent bond is associated with which of the following?
A) interactions between nuclei B) the sharing of electrons C) the transfer of electrons D) all of these
Which of the following is true when comparing the b-oxidation of a naturally occurring unsaturated fatty acid to that of a saturated fatty acid?
A) It is identical to the b-oxidation of a saturated fatty acid. B) It involves an extra step to convert a cis double bond to a trans double bond. C) It involves an extra step to convert a trans double bond to a cis double bond. D) It proceeds by a totally different pathway.
Air molecules selectively scatter visible light because ____
a. they are smaller than the wavelength of visible light b. they are much larger than the wavelength of visible light c. they are the same size as the wavelength of visible light d. they are unable to absorb electromagnetic waves e. the electrons that orbit around the nucleus of atoms have a blue color