The passing of antibodies across the placenta from mother to fetus is an example of , and provides immunity. 1.active; long-lived

2.active; short-lived

3.passive; long-lived

4.passive; short-lived

the answer is c) abandoned properties that are contaminated with hazardous materials.

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

i need an image of the diagram