all organisms on Earth and the environments in which they live

the rigid outer shell of Earth

Th water in Earth's oceans, seas, lakes, rivers, and glaciers.

the partially molten layer of Earth's mantle

the blanket of gases that surround Earth

large, flat areas of land

flat, raised areas of land

outermost layer of Earth

minerals form when______cools.

when liquid evaporates, atoms of any dissolved minerals stay behind and form______

color of a powdered mineral

a measure of how easily a mineral can be scratched

how light is reflected from a mineral

deposit formed when river waters empty out onto a flat open plain

formed when sediments are deposited as water empties into an ocean or lake

windblown deposits of silt and clay

broad C-shaped curve in stream

A jumble of materials deposited by a retreating glacier

deposits formed from windblown sand

Underground opening formed in limestone

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