<span>Hay fever is a manifestation of allergic reaction
from pollen, which is prevalent during haying season. Hay fever is commonly
known as allergic rhinitis caused by an oversensitive immune system,
particularly the lymphocytes, leading to a misdirected immune response. The body
undergo a sensitization when one develops IgE antibodies and develop a strong
TH2 response against pollen. Then, this newly develop IgE antibodies sticks to
basophils and mast cells with no signs and symptoms yet. However, when one is
expose again to pollens, mast cells will be activated and release mediators who
are responsible for immediate vascular and smooth muscle reaction. After this, local
clinical manifestation of hay fever will be observed. </span>
<span>Driving into a sun glare from bright sunlight is
a risky situation that needs sunglasses and sun visor to reduce glare and eye
strain. Moreover, clear visual information is a great factor to lessen the risk
of any car accident cause by sun glare and at the same time, it can save lives.</span>
Answer:
D
Explanation:
A meteorite is a meteor that impacted the Earth.
Answer:
a cell that has half the number of chromosomes as the parent cell