Abeka 8th grade Science (Earth and Space) quiz 39

renewable resources

Resources that regenerate relatively quickly are resources .

ethanol

An alcohol derived from corn , grains , or agricultural waste and used as a fuel is

hydraulic fracturing .

The process in which a mixture containing water , chemicals , and particles like sand or gravel is injected into the bedrock to crack fuel - containing strata is

biomass energy

Energy obtained from plant and animal products is called

sustainable development

Seeking to maintain our current lifestyle while preserving resources for the future generations is called

wood gas

What is formed by burning wood in a low - oxygen environment ?

Limit the amount of waste produced

What is the best approach to recycling ?

aeration basin

the water to encourage the growth of beneficial microorganisms ? What portion of a water reclamation system actively circulates air throughout aeration

hydroelectric power

What is the most widely used form of renewable energy ?

They are not constant .

What is one major drawback that wind power and solar power have in common ?