Sometimes, pregnant women are very emotional. this is believed to be caused by extra estrogen and progesterone that are released during pregnancy and would be considered an effect on behavior. activation or organizational

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.

What is the difference between an igneous, sedimentary and metamorphic rock

Types of scientific inquiry that biologist engage in that cannot be completely controlled