Environmental Issues Quiz

How should a substance with an excess of hydrogen ions be classified?

• acid, with a pH greater than 7.0

• acid, with a pH less than 7.0

• base, with a pH greater than 7.0

• base, with a pH less than 7.0

Tags

Environmental

Which of the following is considered a perpetual resource?

• forests

• petroleum

• soil

• wind

Tags

Environmental

Acid precipitation results when which two substances in the atmosphere combine with nitrogen and sulfur oxides from fossil fuel combustion?

• oxygen and water

• carbon dioxide and smog

• sulfur and nitrogen

• oxygen and greenhouse gases

Tags

Environmental

Why are renewable resources such as fisheries and soil sometimes considered nonrenewable, in practical terms?

• They can be depleted by overharvesting or are replaced slowly.

• They cannot be recycled or composted.

• They are available in very small quantities.

• They are too difficult to extract from the environment.

Tags

Environmental

Which of the following situations is an example of point source pollution?

• fertilizers running off agricultural land

• sediment from eroding construction sites

• toxic chemicals entering a river from an industrial pipe

• salt runoff from irrigated fields

Tags

Environmental

Which method of waste handling conserves the most resources while minimizing pollution and energy use?

• landfills

• source reduction

• recycling

• incineration

Tags

Environmental

Which of the following is the most abundant greenhouse gas in Earth’s atmosphere?

• oxygen

• nitrogen

• carbon dioxide

• methane

Tags

Environmental

The greenhouse effect is responsible for which of the following conditions on Earth?

• increasing global temperatures significantly above normal

• maintaining global temperatures in a range where life can exist

• stimulating the generation of oxygen in the atmosphere

• trapping the Sun’s heat and preventing it from returning to space

Tags

Environmental

A population that has reached its carrying capacity can be represented by which type of graph?

• logistic, or S-curve

• exponential, or J-curve

• linear, or straight-line curve

• Linear curve at first, followed by exponential curve

Tags

Environmental

What is the current state of human population growth on planet Earth?

• declining slightly, due to drastically lowered birth rates

• growing exponentially, due to high growth rates on some continents

• stabilized, because all countries have balanced birth and death rates

• stabilized, because countries with growing populations are balanced by those with declining populations

Tags

Environmental