In the Southern Hemisphere,
a. air rises steeply ahead of a warm front, and gradually ahead of a cold front.
b. cold, warm and occluded fronts are associated with high pressure systems.
c. precipitation associated with warm fronts tends to be brief and intense.
d. precipitation associated with warm fronts tends to be gentle and prolonged
d
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How does water dissolve sodium chloride (NaCl)?
A) ?Water molecules neutralize sodium ions (Na+) and chloride ions (Cl-). B) ?The polarity of water causes the sodium ion (Na+) to separate from the chloride ion (Cl-). C) ?When seawater evaporates, its ionic components combine to dissolve table salt. D) ?Water molecules expand causing sodium ions (Na+) and chloride ions (Cl-) to decompose.
A relatively narrow downburst, less than four kilometers wide, is called a ____
A) microburst B) macroburst C) funnel cloud D) mesocyclone
Environmental economist Michael Jacobs argues that certain forms of economic growth may be beneficial to the environment. What would be a good example?
a) The promotion of green technologies that reduce emissions b) The development of internal treadmills of production c) The creation of faster forms of computing technology that could hasten modeling of climate change d) The expansion of landfill stations to better incorporate technological waste
Judge the following sentence according to the criteria given below: Organisms found at mid-ocean ridges are able to survive in the absence of sunlight BECAUSE the light generated by the undersea lava flows is enough for photosynthesis to occur
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.