Question

1. choose the best answer.

the smallest and closest planet to the sun, ______ has no atmosphere, a weak magnetic field, and orbits the sun in 88 days.
○ mercury
○ mars
○ venus
○ earth

Explanation:

The question is about identifying the smallest and closest planet to the Sun with the given characteristics. From astronomical knowledge, Mercury is the smallest and closest planet to the Sun, has no substantial atmosphere, a weak magnetic field, and orbits the Sun in 88 days. The options are Mercury, Venus, Mars, Earth. Among these, Mercury fits the description.

Answer:

A. Mercury