Choose the coordination option that correctly joins the two sentences below: Meditation can improve your ability to concentrate. It is good for your health
O Meditation can improve your ability to concentrate, and it is good for
your health.
O Meditation can improve your ability to concentrate; in addition, it is good for your health.
O Both revised sentences are correct.
O The sentences should not be joined.

b) ab

explanation:

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:

i'm not sure what the second paragraph is but a decree is an official order issued by legal authority. find the one that best fits this definition.