Question of the Day (May 14)
If and are positive integers, is a prime number?
Correct Answer - D - (click and drag your mouse to see the answer)
First discovered more than 30 years ago, Lina's sunbird, a four-and-a-half-inch animal found in the Philippines and that resembles a hummingbird, has shimmering metallic colors on its head; a brilliant orange patch, bordered with red tufts, in the center of its breast; and a red eye.
Correct Answer - C - (click and drag your mouse to see the answer)