How do babys grow in the womb?

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 why hiv is a life-threatening sti.

China was the world's leading steel producer in 2006. what changes would you expect to be taking place in china?