Which of the following examples shows the influence coal has had on human activity?

Question

(1 point )

• 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 allowed people to travel on planes.
• Coal use in steam engines led to the discovery of natural gas wells.

Answer 1

• Coal use in steam engines led to easier access to goods.