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Chapter 24

Across
Forms when the positive ends of some water molecules are attracted to the negative ends of other water molecules; cause water's surface to contract and allow water to adhere to and coat a solid
Resources provided by Earth, including air, water, land, all living organisms, nutrients, rocks, and minerals
Natural resource, such as fresh air and most groundwater, that can be replaced by nature in a short period of time
Bacteria found in water or soil; can grow on the roots of some plants, capture nitrogen gas, and change into a form that plants use to build proteins
Mixture of sand, gravel, and crushed stone that accumulates naturally; found in floodplains, alluvial fans, or glacial deposits
Mineral that contains a valuable substance that can be mined at a profit
Material left after mineral ore has been extracted from parent rock; can release harmful chemicals into groundwater or surface water
Down
Resource that exists in Earth's crust in a fixed amount and can be replaced only by geologic, physical, or chemical processes that take hundreds of millions of years
Substance that enters Earth's geochemical cycles and can harm the heath of living things or adversely affect their activities
Process that removes salt from seawater in order to provide freshwater
Replacement of renewable resources at the same rate at which they are consumed
Process by which productive land becomes desert; in arid areas can occur through the loss of topsoil
Unweathered, solid parent rock that can consist of limestone, marble, granite, or other quarried rock