A farmer wants to properly manage her soil to prevent a situation like the Dust Bowl. What is the best way to manage the soil?(1 point)
Responses
allow plants such as grass to root in it
allow plants such as grass to root in it
water the soil frequently
water the soil frequently
remove humus from the soil
remove humus from the soil
frequently dig the soil to get rid of unwanted plants
frequently dig the soil to get rid of unwanted plants
allow plants such as grass to root in it
Why is soil considered a vital resource?(1 point)
Responses
It is the place where all nutrients on Earth are stored.
It is the place where all nutrients on Earth are stored.
It provides the source of material for different landforms.
It provides the source of material for different landforms.
It is hard to destroy and easy to make.
It is hard to destroy and easy to make.
It plays a variety of roles for plants and animals.
It plays a variety of roles for plants and animals.
It plays a variety of roles for plants and animals.
Which describes a renewable energy resource?(1 point)
Responses
It is less expensive than fossil fuels.
It is less expensive than fossil fuels.
It produces less pollutants than fossil fuels.
It produces less pollutants than fossil fuels.
It is more prone to serious accidents.
It is more prone to serious accidents.
It consists of carbon and hydrogen molecules.
It produces less pollutants than fossil fuels.
Use the scenario to answer the question.
Edwin buys a water bottle, reuses it twice, and then recycles it. Eleanor buys a water bottle, reuses it twelve times, and then throws it away.
Which energy cost would apply to Edwin, but not to Eleanor?
(1 point)
Responses
the cost of transporting the bottle away from the house
the cost of transporting the bottle away from the house
the cost of producing the original bottle
the cost of producing the original bottle
the cost of transporting the bottle to the store
the cost of transporting the bottle to the store
the cost of processing the bottle after it was no longer used
the cost of processing the bottle after it was no longer used
Your class goes on a field trip to observe drilling machinery. The geologists at the drill site show you displays of drilled rocks to compare different types of drills and methods. The drilled holes in one rock display are significantly larger than the holes drilled in the display next to it. Given this information, which statement is correct? (1 point)
Responses
The rock display with larger holes shows petroleum drilling, which is deep underground.
The rock display with larger holes shows petroleum drilling, which is deep underground.
The rock display with smaller holes shows copper drilling, which is deep underground.
The rock display with smaller holes shows copper drilling, which is deep underground.
The rock display with smaller holes shows petroleum drilling, which is closer to the surface.
The rock display with smaller holes shows petroleum drilling, which is closer to the surface.
The rock display with larger holes shows copper drilling, which is closer to the surface.
The rock display with larger holes shows copper drilling, which is closer to the surface.