lilly7757 lilly7757

19-03-2019
Chemistry

contestada

This gas makes up close to 1/4 of the air surrounding of the earth

Respuesta :

nnmmkevin nnmmkevin

19-03-2019

Question: What gas makes up close to 1/4 of the air surrounding the Earth.

Answer: Hydrogen

Explanation: Hydrogen (Which is the first element on the periodic table) makes up approximately 1/4 of the air on Earth.

Answer Link

Otras preguntas

Another real-world example of a change is rust. Rust is iron oxide (Fe2O3), which results when iron is exposed to oxygen in the air. What are some indicators

Choose two of the following choices that can represent the nth term of the sequence: 54, 18, 6, 2, ...

How do you do this question?

A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 60 % salt and Solution B is 8

What element is in group 13 and period 3?

write the equation of the line that passes through (7,6) and (-1,2) in slope intercept form. please please help!

The Hebrews became slaves in blank

2. Philip earns $11 an hour. He recorded the number of hours he worked over a one-month period. Philip's Hours DATA Week Number of Hours Worked Week A 15 Week B

What is the purpose of the government

Tim and three friends go on holiday together for a week. The 4 friends will share the costs of the holiday equally, Here are the costs of the holiday. £1280 for