12 Questions
What are the three main resources of the Earth?
Land, water, and air
Define biotic factors in an ecosystem.
Living things
Explain the role of the atmosphere in maintaining Earth's temperature.
It keeps the average temperature steady by slowing down the escape of heat into outer space and preventing sudden temperature increases.
What are the causes of air pollution?
Man-made sources and natural sources
What is the ozone layer and what is its function?
A thin layer in the Earth's atmosphere that absorbs UV radiation
List two effects of air pollution.
Respiratory diseases and Global warming
What is the main cause of water pollution?
Urbanisation, Industries, Agriculture, Religious and Social Practices, Withdrawal of water and drying up of water bodies
Define the greenhouse effect.
The greenhouse effect is a natural phenomenon where greenhouse gases trap solar radiation in the Earth's atmosphere.
Explain the role of water in everyday life.
Water forms two-thirds of our body and helps maintain normal body temperature. It is used for agricultural, domestic, and industrial purposes.
What are the basic components of soil?
Minerals, inorganic matter, water, and air
Describe the process of transpiration.
Transpiration is the loss of water in the form of water vapor from plants' aerial parts called stomata.
What is the water cycle also known as?
The water cycle is also known as the hydrologic cycle.
Test your knowledge on the resources of the earth such as land, water, air, fossil fuels, sunlight, wind, minerals, and more. Learn about biotic and abiotic factors in ecosystems, as well as the composition of atmospheric air and the concept of air pollution.
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