All phytoplankton and seaweeds require ________ such as nitrogen and phosphorus.
A. inorganic nutrients
B. micronutrients
C. gases
D. vitamins
Answer: A
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It is estimated that 10,000 individual organisms are necessary for an endangered species to continue biological evolution.
Answer the following statement true (T) or false (F)
How are geologic events placed in relative order?
What will be an ideal response?
In the Northern Hemisphere, south-facing slopes:
A) are more likely to have more vegetation. B) receive more solar radiation than do north-facing slopes. C) will typically look the same as north-facing slopes, except near the equator. D) are most lush in subtropical regions.
A midlatitude anticyclone ________
A) is more than one air mass B) exhibits instability C) has a front in its center D) is associated with fast winds E) is associated with sunny, dry weather