Which evidence is most likely used to indicate the beginning of solar system formation?
materials combined to form a mass.
materials were pulled together by gravity.
water condensed and collected to form oceans.
different species of microorganisms lived on earth.

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.

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is