I need some help so I can bring my grade up. More than one answer
( if you don't know don't answer )
( you will get reported for absurd answers )
( 20 points + brainlist )

Models are non-visual ways of coummincating how someone thinks about something in the natural world

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases