The average liver can detoxify this amount of alcohol in one hour. a

If babies are consistently placed on their backs without any restrictions, what will happen to their development? a. they suffer from weakness in certain muscle groups. b. their ability to roll over, crawl, and eventually walk is hindered. c. they suffer brain damage from the pressure on the back of the head. d. they learn to roll over, crawl, and eventually walk on their own.

Explain how unhealthful weight loss or weight gain can lead to further weight loss or weight gain.

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4