Current worldwide food production is less than in previous decades.
Answer the following statement true (T) or false (F)
False
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Muddy shores are often poor in oxygen.
Answer the following statement true (T) or false (F)
The horizontal pressure gradient force (pgf):
A) is solely responsible for air movement. B) can affect the direction of wind flow. C) is always directed from high pressure to low pressure. D) is strongest where the temperature differentials are the greatest. E) all of the above
Cleavage is ____
A)the breaking of minerals along smooth planes of weakness determined by the strength of their chemical bonds B)not useful for mineral identification C)determined by how many different elements are combined in the formation of a particular mineral D)the breaking of minerals along planes of fracture resulting from strong hydrogen bonds E)mineral breakage along irregular surfaces
Rain with a pH of 4.5 would be considered ____
A) acidic B) alkaline C) neutral D) harmless