Ammonia is converted into urea in liver and excreted by kidney
Through evaporation water moves from the biosphere to the atmosphere.
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<h2>Answer:</h2>
The option D is correct.
<u>B cells are memory producing cells.</u>
<h3>Explanation:</h3>
As B cells are the specific receptor cell, after immunity to certain infection of the foreign particle, there is a function of acquired immunity is the protection of the body from that particular infection for the whole life which is done by <u>memory cells of B lymphatics.</u>
Answer:
Explanation:
i really don't know sorry