Question

1. which of the following inner planets is often called the red planet? mercury earth mars venus

Explanation:

Mars is often called the Red Planet because of its reddish appearance. This color is due to iron oxide (rust) on its surface. Mercury is a gray - colored planet. Earth is known for its blue (oceans) and green (land with vegetation) colors. Venus has a thick atmosphere that gives it a yellowish - white appearance.

Answer:

Mars