What Brain activity can I do to help promote brain power? it has to be engaging!

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit

Is there any solid scientific evidence that humans have been cloned?

How does the carbon cycle involve an exchange of carbon