Question

Problem 17b

Answer 1

Given information

We are given that, hydrogen was once in the Earth’s atmosphere.

Step-by-step explanation

Step 1.

 According to the questions,

Hydrogen is a very lightweight element(the very lightest element), and temperature is a measure of the amount of kinetic energy in the molecules of a substance. The hotter a hydrogen molecule is, the faster it moves. And it doesn't take a lot of energy for hydrogen to start moving pretty fast.