Environmental Impacts

How many people are there on Earth approximately?

• More than 7.6 million

• More than 7.6 billion

• More than 6.7 billion

• More than 6.7 million

By what year is the Earth's population expected to grow to 11 billion?

• 2200

• 2100

• 2050

• 2150

What are the two factors that determine the global population?

• Economy and climate

• Births and deaths

• Immigration and emigration

• Technology and education

What is one of the impacts of increased human population on the geosphere?

• Decreased land for urban development

• More land for urban development, agriculture, and recreation

• Reduced need for land in urban areas

• No impact on land use

What is a consequence of increased human population on the hydrosphere?

• Decreased use of water

• Improved water quality

• Use of water, need for water in irrigation and industry, pollution of water

• No change in water consumption patterns

Increased human population leads to greater impact on the atmosphere by:

• Reducing greenhouse gases

• Decreasing temperatures

• Increasing biodiversity

• Increasing greenhouse gases, toxins, and warming temperatures

What is another effect of increased human population mentioned in the text?

• Decreased waste production

• Increased waste

• Improved waste recycling

• No change in waste production

What has been the trend in Earth's population over time?

• It has decreased

• It has remained constant

• It has increased

• There is no clear trend

What is the consequence of rising population according to the text?

• Decreased use of natural resources

• No change in the use of natural resources

• Increased use of natural resources

• The text does not mention the consequences

According to the legend on the map, what does the red color indicate?

• Population growth density of less than 0

• Population growth density of 0.5-1

• Population growth density of 1-5

• Population growth density of more than 5