What led to the increase in steel consumption seen on the graph?(1 point)ResponsesMore building construction is needed to provide for the needs of people.More building construction is needed to provide for the needs of people.Steel consumption increased when more people started to use computers.Steel consumption increased when more people started to use computers.Fossil fuels that became popular depends on steel production.Fossil fuels that became popular depends on steel production.More people started mining steel that are sold outside of the country.More people started mining steel that are sold outside of the country.

More building construction is needed to provide for the needs of people.

Impact of Humans Unit Test2 of 122 of 12 ItemsQuestionWhich can be excluded from the list of environmental impacts of mining?(1 point)Responseshabitats are destroyedhabitats are destroyedsea level is risingsea level is risingwater is pollutedwater is pollutedharmful gases are released

sea level is rising

What happens to infrared radiation released by the Earth if there is an increased level of carbon dioxide in the atmosphere?(1 point)ResponsesIt is converted to carbon dioxide.It is converted to carbon dioxide.It is converted to solar energy.It is converted to solar energy.It is absorbed and heats the atmosphere.It is absorbed and heats the atmosphere.It escapes and cools the atmosphere.

It is absorbed and heats the atmosphere.

With such huge increases in population, why has there not been a direct and equivalent increase in urban development (i.e., why is it such a small proportion of habitable land use)?(1 point)ResponsesHabitable land is already being used for livestock and crops.Habitable land is already being used for livestock and crops.People want to live close to where they work, which is usually the city or suburbs.People want to live close to where they work, which is usually the city or suburbs.There is not enough habitable land left for further urban development.There is not enough habitable land left for further urban development.Many people can live in small spaces, such as high rises in cities.

Habitable land is already being used for livestock and crops.

In almost all chains of consequences, what happens over time as the consequences unfold?(1 point)ResponsesConsequences travel from one type of habitat to another, until multiple habitats are affected.Consequences travel from one type of habitat to another, until multiple habitats are affected.Consequences decrease in size and scale and become short term.Consequences decrease in size and scale and become short term.Consequences increase in size and scale and become longer lasting.Consequences increase in size and scale and become longer lasting.Consequences spread through the area like a ripple effect, starting in the center and radiating outward.Consequences spread through the area like a ripple effect, starting in the center and radiating outward.

Consequences increase in size and scale and become longer lasting.

Which change over time in Landsat maps would most likely be associated with contaminated water habitats nearby?(1 point)Responsesgreen areas replaced with yellow areasgreen areas replaced with yellow areasgray areas replaced with light green areasgray areas replaced with light green areasincreased size of dark green areasincreased size of dark green areasincreased size of gray areasincreased size of gray areas