What sort of instrument is used to determine the parent-daughter ratio of isotopes, and what does it
measure? What will be an ideal response?
A mass spectrometer is used to measure the proportions of atoms of different masses
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How many water masses are common in tropical and temperate latitudes?
a. Three b. Four c. Five d. Six
Mesoscale convective complexes are self-sustaining because
A) wind shear is typically absent. B) downdrafts from individual cells become warmer as the precipitation evaporates. C) downdrafts from individual cells rise over the outflow boundary. D) downdrafts from individual cells combine with surface winds to create updrafts and wind shear.
Which of the following best describes peat?
A) An aridosol typical of coastal mangroves B) A type of hydrosol that contains mostly undecomposed and compacted plant biomass C) Along with sandy loam considered one of the most fertile soils D) Typical of arid regions with low organic content and subject to wind erosion
The Crusades were a series of European military campaigns to assume control of
A) the Arabian Peninsula. B) the Mediterranean trade. C) the Holy Land. D) Europe. E) the Nile.