Unit 4 Human Impacts on Earths Systems Test Pt. 2

Front

Which substance might combine with water in the atmosphere to form acid rain? Options: nitric acid, ammonia, citric acid, hydrochloric acid

Back

nitric acid

Front

What do fossil fuels generate that is needed to form acid precipitation?

Back

gas pollutants

Front

Which source provides scientists with concentrations of oxygen-18 to determine past climate changes? Options: fossils, ice cores, tree rings, sea-floor sediment

Back

sea-floor sediment

Front

When household cleaners are dumped down the drain and make their way into the water supply, which type of pollution has taken place? Options: air pollution, thermal pollution, chemical pollution, biological pollution

Back

chemical pollution

Front

When fertilizers and pesticides make their way into water systems, which type of pollution has taken place?

Back

chemical

Front

Which activity is not a potential result of climate change? Options: crop damage, orbital change, global warming, sea-level change

Back

orbital change

Front

Which event or activity is a natural cause of sudden changes in climate? Options: ice age, volcanic eruption, burning fossil fuels, tectonic plate movement

Back

volcanic eruption

Front

Humans dumping the remains of dead organisms into bodies of water causes which type of pollution?

Back

biological pollution

Front

Which process is a common cause of acid rain?

Back

emissions produced by burning fossil fuels

Front

Which example is a human source of air pollution?

Back

industrial emissions