What is the term for a thunderstorm that forms a line that can extend
hundreds of miles?
I need help with this one too but fast please help and hurry

Multi-cell Line (Squall Line)

Explanation:

Sometimes thunderstorms will form in a line which can extend laterally for hundreds of miles. These "squall lines" can persist for many hours and produce damaging winds and hail.

the match duh

explanation:

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.