harleywalker009
contestada

Planet X is a terrestrial planet in our solar system. It has 21% oxygen in its atmosphere. Humans can walk on this planet without the aid of a space suit.
Based on the description, planet X is
.

Respuesta :

dominic2824

Answer:

a planet the is human habitable or just plain out earth

Explanation:

ginac21389

Answer:

I believe Planet X is Earth

Explanation:

I believe Planet is Earth because we do not need Space suits to breath on this planet and we can walk perfectly fine without floating away.