A cactus is a type of plant that grows in the desert. An adaptation cacti have developed to survive in the hot and dry desert is A)
the use of desert insects for their pollination
B)
the ability to create shade to avoid the hottest part of the day
the development of spines to discourage birds from landing on them
D)
the ability to store large amounts of water in their stem and roots.

b a mature ovary of a plant.

not: both offer magnification to the atomic level.

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,

for a different answer set the answer would be because the oxygen in the water had depleted (apex)