Katherine Has a Physics Exam Tomorrow

question 77

Multiple Choice

Katherine has a physics exam tomorrow.However,a free lecture by one of her favorite authors is taking place this evening.Katherine decides to attend the lecture instead of studying for her exam.Katherine's opportunity cost of attending the lecture is:

• A)the time spent listening to the lecture.
• B)not relevant since no money is involved.
• C)the transportation and time cost of getting to the lecture itself plus the reduction in her physics exam grade as a result of not studying tonight.
• D)the time spent getting to the lecture.

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Definitions:

Placenta

The principal organ of exchange between the mother and the developing organism, enabling the exchange of nutrients, oxygen, and wastes via the umbilical cord.

Amnion

A membrane that holds amniotic fluid.

Umbilicus

also known as the navel or belly button, is the scar on the abdomen resulting from the detachment of the umbilical cord following birth.

Mesoderm

The middle layer of an embryo in early development, between the endoderm and ectoderm, which develops into muscles, bones, and circulatory systems.