Which of the following is true of cytokines?
A) They are highly specific antibodies.
B) They are long lived.
C) They transmit intercellular communications.
D) All of the above are correct.
C
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In the humid continental climate, shifts in wind directions sometimes cause rapid and large temperature changes. During what season would this be most pronounced?
A) summer B) winter C) This phenomenon is equally characteristic of both summer and winter.
The amount of water vapor in the air at a time and place is called ____.?
a. capacity
b. the saturation deficit
c. humidity
d. the precipitation potential
e. transpiration
When primary productivity is high, the standing crop remains high and nearly constant.
Answer the following statement true (T) or false (F)
Describe different ways in which anthopogenic activity can affect the energy balance
What will be an ideal response?