helper t cells may activate b cells, while suppressor t cells inhibit the activity of b cells
sorry it took so long
Answer:
What are the three sub-zones
in the Biosphere ? ( Lithosphere )
Explanation:
& hydrosphere
(water part).
While the PHLOEM transports dissolved organic nutrition molecules, such as sugars, from the leaves after photosynthesis, the XYLEM transports water and dissolved minerals from the soil to the shoots and leaves?
<span>WILL GIVE BRAINLIEST As more developing nations industrialize, it can be expected that scabies
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