In an experiment, a model can help a scientist A. test a situation that is otherwise too complex to observe
B. make the experimental setup match reality as closely as possible
C. create a hypothesis
D. draw a conclusion from experimental results

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.