Read the excerpt from "building skills with video games." playing video games also the brain grow. one group of scientists looked at brains using a mri machine. they looked inside the brains of two groups of people. we’ll call them group a and group b. group a then played video games for thirty minutes each day. group b, on the other hand, didn’t play any video games. after two months, the scientists used the mri again. they could see the difference between the brains of the people in the two groups. group a had more brain growth in an important part of the brain. which sentence provides evidence for the reason why playing some video games can actually make a brain grow? one group of scientists looked at brains using a mri machine. they looked inside the brains of two groups of people. after two months, the scientists used the mri again. group a had more brain growth in an important part of the brain.

The answer is:

Group A had more brain growth in an important part of the brain.

In excerpt from "Building Skills with Video Games," the sentence that provides documentation about video games producing brain growth is the one that directs attention to the group that actually did exhibit evidence of brain expansion because they played video games thirty minutes every day.

The rest of the choices do not specify reasons for brain development - they rather mention the scientists different phases that lead to the final conclusion.

Group A had more brain growth in an important part of the brain. This is the correct option. This is the evidence the scientists got after two months when they carried out the second part of the investigation. In fact, during the first part, the scientists looked into the brain of the group members with a MRI  (Magnetic resonance imaging ). Then, after two months, they looked into their brains again and saw the difference between this group and group B. Group B did not play any video game.

These options are wrong:

- One group of scientists looked at brains using a MRI machine. This does not tell the reason since there is not any evidence; it just describes the procedure of the study.

-They looked inside the brains of two groups of people. The scientists studied the brains but did not see anything ,yet.

-After two months, the scientists used the MRI again. This refers to the device the scientists used during a second step of their study.

its a hard situation i cant really answer because the essay is for you to write.

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