Question

biological importance of water 2 more questions to go the chemical formula for water is... ho h₂o ho₂ h₂o₂

Explanation:

Step1: Recall water's composition

Water has 2 hydrogen atoms and 1 oxygen atom.

Step2: Identify correct formula

The chemical formula representing 2 hydrogens and 1 oxygen is $H_2O$.

Answer:

B. $H_2O$