What are deciduous trees? Trees that produce seed cones.

Trees that have needles instead of leaves.

Trees that lose their leaves in the fall.

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

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

Based on current rates the earths human population is expected to grow how much by 2050