Which of the following examples shows the influence coal has had on human activity?(1 point)
Responses
Coal use in steam engines allowed people to travel on planes.
Coal use in steam engines allowed people to travel on planes.
Coal use in steam engines led to the discovery of natural gas wells.
Coal use in steam engines led to the discovery of natural gas wells.
Coal use in steam engines led to easier access to goods.
Coal use in steam engines led to easier access to goods.
Coal use in steam engines caused a decrease in railroad profits
Coal use in steam engines led to easier access to goods.
Which of the following example shows the influence natural gas has had on human activity?(1 point)
Responses
Natural gas use to generate electricity has decreased the amount of electricity people use.
Natural gas use to generate electricity has decreased the amount of electricity people use.
Natural gas use to generate electricity has increased cost of heating homes.
Natural gas use to generate electricity has increased cost of heating homes.
Natural gas use to generate electricity has decreased the amount of goods businesses can produce.
Natural gas use to generate electricity has decreased the amount of goods businesses can produce.
Natural gas use to generate electricity has increased efficiencies for business owners compared to coal.
Natural gas use to generate electricity has increased efficiencies for business owners compared to coal.
A scientist observes that the shells of oysters this year are thinner than the shells of oysters several years ago. How could this trend be related to the use of fossil fuels?(1 point)
Responses
Fossil fuel spills in the ocean prevent oysters from building shells.
Fossil fuel spills in the ocean prevent oysters from building shells.
Lower carbon levels mean that oysters do not have enough materials to build shells.
Lower carbon levels mean that oysters do not have enough materials to build shells.
Higher levels of ozone in the ocean keep oysters from building shells.
Higher levels of ozone in the ocean keep oysters from building shells.
Increasingly acidic ocean water makes building shells more difficult.
Increasingly acidic ocean water makes building shells more difficult.