Question

(i) How much of the known universe mass in made up of hydrogen ?​

Answer 1

Answer:

75%

Hope it will help you

Answer 2

$\huge\tt\red{QUESTION}$

(i) How much of the known universe mass in made up of hydrogen ?

$\huge\tt\blue{ANSWER}$

75%

Hydrogen is the most abundant element in the universe. About 75 percent of all matter is composed of hydrogen.

HOPE IT HELPS

MARK BRAINLIEST PLS