Question

what attribute is specific to mother earth and is not true for all the other planets in the solar system. she is spinning. she is a planet. she is alive. she is in space.

Explanation:

All planets in the solar - system spin, are planets, and are in space. Earth is unique in the solar system as it has life, which can be metaphorically described as being "alive" in a context of having living organisms.

Answer:

She is alive.