Which of the Following Are Complementary Resources

question 102

Multiple Choice

Which of the following are complementary resources?

• A)margarine and butter, used in baking
• B)sugar and honey, used in cereals
• C)a teacher and a chalkboard
• D)rye and wheat breads, used in a sandwich shop
• E)a typewriter and a personal computer, used in an office

---

Definitions:

Chorion

The outermost membrane surrounding an embryo in mammals, including humans, contributing to the formation of the placenta.

Allantois

An extra-embryonic membrane in birds and reptiles, involved in gas exchange and waste storage during development.

Amnion

A membranous sac that surrounds and protects an embryo or fetus in the amniotic cavity of vertebrates.

Yolk Sac

An extra-embryonic membrane in many vertebrates that provides food for the embryo via absorbed nutrients.