Question

Which two elements make up water?

oxygen and phosphorus
oxygen and hydrogen
hydrogen and sulfur
hydrogen and phosphorus

Answer 1

oxygen and hydrogen

Step-by-step explanation:

2 hydrogen atoms and one oxygen atom

Answer 2

hi <3

the chemical formula for water is H2O

which is 2 x hydrogen and 1 x oxygen

thus, your answer would be option B

hope this helps :)