project unit10 11a11

Many factories _____ harmful pollutants into the atmosphere.

• absorb
• discharge
• emit

Many young people are really interested in wildlife ___ nowadays

• protect

• conservation

• restore

• destroy

The main ecosystems on Earth include?

• Forest and tundra ecosystems
• Terrestrial and aquatic ecosystems
• Grassland and mountain ecosystems
• Marine and desert ecosystems

Protecting diverse ecosystems makes sense

• Protecting diverse ecosystems leads to a decrease in species richness.
• Protect the gene pool and maintain ecological balance globally

• Protecting diverse ecosystems has no impact on the environment.
• Protecting diverse ecosystems does not contribute to ecological balance.

Which of the following main effects does the measure of building natural reserves and national parks have?

• Increase in pollution levels
• Habitat destruction
• Decline in biodiversity
• Conservation of biodiversity, protection of ecosystems, wildlife habitats, and promotion of ecotourism.

Which of the following is the main effect of afforestation?

• Increase in urbanization
• Increase in forest cover
• Reduction in biodiversity
• Decrease in forest cover

What are the consequences of burning forests and cutting them down indiscriminately?

• Loss of many valuable biological resources.

• Causes drought, erosion, and landslides.

• Causes climate change.

• All three answers are correct

To contribute to forest protection, things you should not do are:

• Planting more trees
• Supporting sustainable logging practices
• Encouraging deforestation
• Illegal logging, starting fires, littering, hunting endangered species, and damaging wildlife habitats.

Afforestation has a role

• Afforestation causes an increase in carbon dioxide levels
• Afforestation helps in combating climate change by absorbing carbon dioxide and providing habitat for wildlife.
• Afforestation leads to deforestation
• Afforestation has no impact on climate change

For cultivated lands and bare hills and mountains, the main and most necessary measures are:

• Implementing proper irrigation systems and soil conservation techniques for cultivated lands, and reforestation and erosion control measures for bare hills and mountains.
• Implementing advanced technology for cultivated lands and deforestation for bare hills and mountains.
• Using chemical fertilizers for cultivated lands and constructing buildings on bare hills and mountains.
• Neglecting maintenance for cultivated lands and promoting wildfires for bare hills and mountains.