Question

1. the first astronauts walked on the moon more than 40 years ago. look at the picture of a footprint of an astronaut’s boot on the moon. which statement is a scientific observation? a. the boot weighs a lot. b. the boot is colored gray. c. the bottom of the boot has ridges. d. the temperature of the boot is very cold.

Explanation:

A scientific observation is a factual statement based on direct perception. Option A about weight is relative and not directly observable from the picture. Option B about color might be affected by lighting and is less precise. Option D about temperature cannot be observed visually. Option C, the ridges on the bottom of the boot, is a clear - cut visual observation.

Answer:

C. The bottom of the boot has ridges.