Human Impact on Biosphere

When forests are cleared on a very large scale by cutting or burning them down it is:

• forestation

• deforestation

• plantation

Many animals have become endangered species due to

• Over hunting

• Over feeding

• Forestation

Landslides, global warming, floods and soil erosions are all effects of

• Deforestation

• Overpopulation

• Global Warming

Methane (CH₄), carbon dioxide (CO₂) and ozone (O₃) are classified as

• Dominance gases

• Greenhouse Gases

• Acidic gases

The human activity, among the following, which causes maximum environmental pollution having regional and global impacts, is:

• Urbanization

• Industrialization

• Agriculture

In which of the following ways do people increase the concentration of greenhouse gases in the atmosphere?

• Cutting down trees

• Driving gasoline-powered cars

• Burning coal to create electricity

• All of the above

Which is the most abundant greenhouse gas in the atmosphere?

• Methane

• Nitrogen dioxide

• Carbon dioxide

1. What are renewable resources?

• . Resources that are used faster than they form

• resources that can replenish themselves over time

• resources that formed over millions of years

• resources that exist only in rural areas

1. What would Earth be like without the greenhouse effect?

• The same temperature

• a little cooler than it is now

• . Too cold to live

• a little warmer than it is now

Tags

NGSS.HS-ESS2-4

1. Which biome has the highest biodiversity and is the most threatened?

• Temperate forests

• grasslands

• tropical rain forests

• deserts

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5