Urban Sprawl increases carbon dioxide emissions by 1 - expanding the use of public transportation
2 - increasing the need to drive
3 - generating more factories

Air masses are characterized by various properties including temperature humidity air temperature pressure and wind speed . which of the following air masses is associated with low relative humidity and high temperature

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

Ozone in the upper atmosphere has been depleted by a. sulfur dioxide. b. chlorofluorocarbons. c. carbon dioxide. d. oxygen.