Review

the cutting down of trees to make room for housing, businesses, and farmland

• crop rotation

• deforestation

• environment

• pollution

a practice this method of farming so that the soil is NOT depleted of its nutrients

• pollution

• deforestation

• crop rotation

• urbanization

the air, water, soil, and everything around us everyday

• environment

• pollution

• deforestation

• crop rotation

when gases, smoke, and chemicals enter into the environment in large doses that makes it harmful for humans, animals, and plants

• environment

• pollution

• crop rotation

• urbanization

the growth of cities into urban areas

• pollution

• deforestation

• urbanization

• crop rotation

Which of the following is NOT a benefit of crop rotation?

• reduces pests

• use of chemicals on crops

• replenishes nutrients in soil

• crops are more colorful

Deforestation helps animal and plant habitats thrive and grow

• True

• False

Which of the following is NOT a cause of oil spills?

• oil rigs have leaks in their pipes

• high tides flood the oil rig

• natural disasters like hurricanes and tornadoes

• an oil tanker leaks oil into the ocean and gulf

One way that humans could have a positive impact on local environment is to:

• generate waste products as a result of technological advances

• use resources that are renewable

• increase planting large areas of one crop

• increase the use of pesticides

What are two factors that encouraged urbanization?

• Growth and Employment

• Dogs and Horses

• Cities and Crop rotation

• Pollution and Deforestation