Approximately how many 15–19-year-old males were there in china in 2010? bio

Which of the following is the most likely result of converting forestland to urban development? a.the amount of land available for lumber production decreases. b.fewer trees are needed because cities are made mainly of concrete. c.people discover more efficient ways to grow trees. d. the price of lumber goes down.

Chicken pox and hepatitis are bacterial diseases. true or false?

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?