Question

multiple-choice question
why cant humans live on mercury? choose all correct answers.
no atmosphere or oxygen
the surface or land
its temperature

Explanation:

1. For "No atmosphere or oxygen": Humans need oxygen to breathe, and an atmosphere helps regulate temperature and protect from radiation. Mercury has almost no atmosphere and no oxygen, so this is a valid reason.
2. For "the surface or land": This option is incomplete and doesn't make sense as a reason for not living on Mercury. It lacks a descriptive term (e.g., "toxic surface", "unstable surface") to be a valid reason.
3. For "It’s temperature": Mercury has extreme temperature variations (very hot during the day, very cold at night) which is inhospitable for human life, so this is a valid reason.

Answer:

A. No atmosphere or oxygen
C. It’s temperature

(Note: The second option is invalid due to being incomplete, so the correct options are the first and third ones, assuming the third option is intended to be about extreme temperature. If the options were labeled as A, B, C with A: No atmosphere or oxygen, B: the surface or land, C: It’s temperature, then the answer is A and C.)