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The pluperfect tense is used to describe an action that happened further back in the past - something you "had done". Here's an example: tu étais partie quand je suis arrivée (you had left when ...

Mucous in the trachea traps pathogens Microorganisms in food are killed by stomach acidThe skin forms a physical barrier against pathogens

DEFINE: Unconditional love is unchanging and without limitations; it is most closely described as agape love - a love that transcends, that serves regardless of circumstances. When it is ...

An infinitive verb is essentially just the simplest form that a verb can be.It doesn't specify anything to do with who is completing the action; just the action itself.For exampl...

The key differences here are where the inhibitor binds to the enzyme, competitive bind to the active site and as such compete directly with the normal substrate of the enzyme. Noncompetitive bind to a sit...