What does I spent half the bus ride trying to memorize the elements, and all I remember is hydrogen and helium. mean?
I spent half the bus ride trying to memorize the elements, and all I remember is hydrogen and helium.
I spent half the bus ride trying to memorize the elements, and all I remember is hydrogen and helium.
I spent half the bus ride trying to memorize the elements, and all I remember is hydrogen and helium.