The Distance Between the Foci When the Eccentricity Equals Zero

question 18

Multiple Choice

The distance between the foci when the eccentricity equals zero is

• A) equal to the semimajor axis.
• B) equal to the semiminor axis.
• C) half the semimajor axis.
• D) zero.
• E) infinite.

---

Definitions:

Evolutionary Processes

These are mechanisms by which species undergo changes over time, including natural selection, mutation, gene flow, and genetic drift.

Validity

Refers to the extent to which a test or instrument measures what it is supposed to measure.

Phenomena

Observable events or circumstances that can be studied in scientific or philosophical contexts.

Laboratory Setting

A controlled environment where scientific research, experiments, and measurement are conducted.