Which of the following terms refers to the process of items like glass, plastic, and paper being processed so they can be used again?

What term describes the gradual increase in the average temperature of the Earth's atmosphere and oceans?

Which term describes a species that is at risk of disappearing forever because there are very few of them left?

Which term refers to the natural environment in which a particular species of animal, plant, or other organism lives?

Which term refers to the clearing or thinning of forests by humans to make the land available for other uses, such as agriculture or urban development?

Which of the following terms refers to waste that can be broken down naturally by bacteria or other living organisms without harming the environment?

Which term describes the introduction of harmful materials, such as chemicals or trash, into the environment that can damage the air, water, or land?

Which term describes the practice of using natural resources in a way that does not deplete them or harm the environment for future generations?

Which term refers to the process where waste materials are processed and converted into new products to prevent waste of potentially useful materials?

Choose the correctly punctuated sentence that discusses environmental actions.

Which of the following sentences correctly uses the present perfect tense to describe an ongoing environmental issue?