3 C's connected in a line by 2 black lines. The first and third C's each have 3 H's connected to them by 1 black line each. The middle C has 2 H's connected to it by 1 black line each. Which subscripts complete the chemical formula for the compound?

CAHB

A:

B:

recent brain research has shown some surprising benefits as a result of formal musical training. learning to play a musical instrument appears to develop parts of the brain that can even influence academic results. the studies indicate that the earlier a child begins training, the more benefits there are. one such study showed that children who began musical studies before the age of seven had a more developed brain in the region where language production and auditory processing take place. scientists believe there is mounting evidence to show that early musical training can improve brain function.

explanation:

what is the book idiot with the brocken tester

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pretty sure the answers are 1 b 2 c idk hope it is right