Which of the following is not a kind of air mass found in the united states?
a.
polar t...
Biology, 20.11.2019 12:31 LuvieAnn1886
Which of the following is not a kind of air mass found in the united states?
a.
polar tropical
c.
continental polar
b.
maritime polar
d.
maritime tropical
Answers: 1
Biology, 21.06.2019 23:50
Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?
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Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results
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Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.
Answers: 1
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