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Chapter 4 and Chapter 14

Teacher: Ms.Young
Across
Water pollution with a specific location.
The process of gathering minerals or useful minerals.
The careful use of resources.
The increase in average temperatures of Earth and the atmosphere due in part to carbon dioxide levels.
Is a small underwater craft used for deep-sea research.
A material from which a useful mineral or minerals can be mined at a profit.
Water pollution that does not have a specific point of origin.
Something that will last longer.
Energy that can be extracted from Earth's internal heat.
Water that flows over the land surface rather than seeping into the ground.
General term for any hydro carbon that may be use as a fuel.
Is the process of cutting down trees to use as lumber.
Down
Partly decomposed material that is used as fertilizer.
Sound navigation and ranging.
Resource that takes millions of years to form.
The algae that undergoes photosynthesis
Rain or weathering with acid in it due to pollution in the air.
The power generated by flowing water.
A resource that is virtually inexhaustible.
The collecting and processing of used items so they can be made into new products.