Nuestra preciosa Tierra: problemas con los recursos naturales

The video tutorial explains the concept of scarcity, using the example of overexploited ocean resources, and discusses pollution as a form of contamination that damages natural resources.

What term is used to describe resources that are hard to obtain?

• Plentiful

• Abundant

• Common

• Scarce

Which of the following is an example of a resource becoming scarce due to overexploitation?

• Deserts

• Mountains

• Oceans

• Forests

What is the process called that leads to the contamination of natural resources?

• Recycling

• Restoration

• Conservation

• Pollution

Which of the following is NOT an example of pollution?

• Trash on roads

• Dirty air

• Clean water

• Industrial waste

How does pollution affect natural resources?

• It multiplies them

• It poisons them

• It preserves them

• It enhances them