D
Reason - language disorder resulting from an injury to the brain
Ragweed antigens bind ragweed and then bind mast cells which release histamine
<span>Allergies develop because of a Th2 response against the allergen. </span>
I think the correct answer from the choices listed above is option D. Destruction of tundra vegetation will likely result in melting of the permafrost. The tundra ecosystem is extremely sensitive to disturbance with little ability to restore itself. The melting of the permafrost will <span>cause the collapse of ground and loss of soil. </span>
The ependymal cells line the ventricles of the brain. They compose a thin lining along the brain's ventricle cell, and the central canal of spinal cord. They are a type of glial cells. They play an important role in the production of cerebrospinal fluid.
#2 when a person experiences a total solar eclipse where is that person standing? that person is standing where the sun is looking at the sun #3 is teh east side or the west side of the sun covered first during a solar eclipse? i think it is the East side and i don't know the last one <span />
