Cytokines bind to which of the following?
A) B cells
B) macrophages
C) T cells
D) all of these
D
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The total volume of flow in streams is termed _______.
a - the interfluve b - overland flow c - turbulence d - the delta coefficient e - discharge
Most tornadoes have winds that are ____
A) greater than 500 knots B) greater than 220 knots C) between 125 and 220 knots D) less than 125 knots
Which of the following is true in general of all cations?
A) A cation has equal numbers of protons and electrons. B) A cation has fewer protons than electrons. C) A cation has more protons than electrons. D) A cation has more protons than neutrons.
In the oceans, all of the following processes decrease local salinity EXCEPT for one. Which process increases salinity?
a) Precipitation b) River runoff c) Evaporation d) Sea ice melting e) Icebergs melting