Which two moods are used for situations that are contrary to fact or for the conditions under which a situation might occur? subjunctive and interrogative conditional and imperative subjunctive and conditional interrogative and indicative

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

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explanation:

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scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

the endomembrane system i think