200 points o_o
which was not transported during the columbian exchange
a. barley
b. sugarcane
c. wheat
d. rice

answer; adoption agencies tend to place separated twins in similar homes;

answer; have joints that fail from excess by early the accumulated effects of unnoticed infections,all of these things are possible for a person born without the ability to feel pain;

answer; heredity ;

answer; a serious and pervasive issue for many people;