The behavior and appearance of organisms are known as their .
A. allele
B. genotype
C. phenotype
D. mutation

the answer is c. it will give up it's valence electron to the other atom.

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,