What was the main cause of the dust bowl in the 1930s
stronger than normal storms
poor soil and land management
flooding caused by climate change
unusually cold weater
The main cause of the Dust Bowl in the 1930s was poor soil and land management.
a studennt makes a list of all the soil layers in a temperate region. which layer would be located farthest from the surface of the earth
topsoil (A)
organic layer (O)
parent material (C)
bedrock (C)
Bedrock (C) would be located farthest from the surface of the earth in a temperate region.
Why is soil considered to be a non renewable natural resource?
it takes so long to form.
it can never be replaced.
it uses alot of earths energy.
it is easily transported.
Soil is considered to be a nonrenewable natural resource primarily because it takes a very long time to form. The process of soil formation involves weathering of rocks, decomposition of organic matter, and the accumulation of minerals and nutrients over thousands of years. This slow formation rate means that soil cannot be easily or quickly replaced once it is eroded, degraded, or depleted.
Which describes conservation of resources?
reducing waste or ham to resources
replacing unlimited energy sources
finding more sources of fossil fuels
increasing the amount of resource use
Reducing waste or harm to resources describes conservation of resources.
Which describes electric or hybrid cars?
They produce more pollutants.
They run fully on unlimited resources.
They burn more fossil fuels than other cars.
They are fuel-efficient
Electric or hybrid cars are fuel-efficient.
Which was a result of both the clean air act and the clean water act?
reduced car emissions
increased paper recycling
increased plastic recycling
reduced factory pollution
A result of both the Clean Air Act and the Clean Water Act was the reduced factory pollution.
The technology that allows engineers to penetrate rock at multiple angles inst ead of simply a straight line is called what?
underground mining
directional drilling
blasting
placer mining
The technology that allows engineers to penetrate rock at multiple angles instead of simply a straight line is called directional drilling.
What is true about most higher grade metallic ores?
most of them can be extracted used the placer method
they are usually found very close to earths surface---less than 1000 ft underground
they are usually found deep below to earths surface---less than 1000 ft underground
most of them can be extracted without requiring drilling
Most higher grade metallic ores are usually found deep below the Earth's surface, typically more than 1000 ft underground.
what involves keeping the item for a short amount of time before moving it elsewhere?
recieving
loading
holding
unloading
Holding involves keeping the item for a short amount of time before moving it elsewhere.
When a person advertises a product, she is
marketing
unloading
delivering
communicating