True is does make up 90 percent
I suppose there are answer choices you forgot to list but in general
They should think of a question
They should form a hypothesis
Do research and test
Have an independent and dependent variable
Have repetitions and replications
If there’s answer choices put them in the comments and I’ll answer it
U need a lot of work but boy boy boy I do need your points for a test so cuzz good luck
<span>alcl3- acidic
licn- basic
kbr- neutral salt</span>
