Answer: B
Step-by-step explanation:
2/3 x 2/1 =4/3
which class is this because I am in 7th class so that's why I can't give
A. Hydrogen and oxygen are classified as elements.
Explanation: they are from the periodic table (which is a table of elements) and it wouldn’t make sense for them to be minerals, energy or organisms. They aren’t living things.
