Which of the following represents one of the ways technology has had negative impacts on the physical environment?(1 point)
Responses
a. Fracking increases the amount of oil that can be extracted from the earth.
b. Factories and manufacturing centers cause waste and pollution in a number of ways.
c. Hydroelectric power plants make it possible to create energy from water.
d. High-speed trains could one day reduce greenhouse gases if used in high numbers.