The First Spacecraft to Orbit Another Planet Circled Mars in 1971

question 25

Multiple Choice

The first spacecraft to orbit another planet circled Mars in 1971. It was:

• A) Viking 1
• B) Voyager 1
• C) Apollo 1
• D) Mariner 9
• E) Venera 11

---

Definitions:

Adolescents

Individuals in the stage of development between childhood and adulthood, typically aged between 13 to 19 years.

Sexual Maturity

The stage of development where an individual is biologically able to reproduce.

Ejaculation

The process of ejecting semen from the male reproductive tract as a part of the sexual response cycle.

Adolescent Growth Spurt

Sharp increase in height and weight that precedes sexual maturity.