Question

choose the correct answer
is pure hydrogen easily found on earth or is hydrogen usually found combined with another element such as in h₂o?

hydrogen is usually found combined with other elements

pure hydrogen is easily found on earth

Explanation:

Hydrogen is highly reactive and is rarely found as pure hydrogen on Earth. It is commonly found combined with other elements, such as in water (H₂O), hydrocarbons, etc. So the correct statement is that hydrogen is usually found combined with other elements.

Answer:

A. hydrogen is usually found combined with other elements