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Answer: A) Directive principle Explanation:

Answer: A) Sulphur dioxide Explanation: Air pollutants are solid particles, gases, and liquid droplets in the air that can adversely affect ecosystems and the health of humans.   Major ambient air pollutants include toxic metals, polycyclic aromatic hydrocarbons, benzene, particulate matter (PM), nitrogen oxides, sulfur oxides, carbon monoxide, and ozone. Power plants, factories, and vehicle and air traffic are the most important anthropogenic sources of air pollution.   In addition, natural sources such as wildfires and volcanic activity contribute to ambient air pollution.

Answer: A) It is set by multiple levels of the government. Explanation: General education policy is set by multiple levels of the government like Federal, state and local governments.

Answer: A) The Tenth Amendment Explanation: The sources of state power are specifically outlined in the Tenth Amendment of the Bill of Rights.When the Constitution was first proposed, many people were concerned about the federal government become too powerful. A group known as the anti-federalists pushed for a way to legally set aside certain rights and powers to individual states. This amendment was added to satisfy the anti-federalists who were concerned that the Constitution would grant the federal government unlimited power.   The Tenth Amendment states that all powers that are not specifically given to the federal government are reserved to individual states.

Answer: A) Chattisgarh Explanation: Chattisgarh State government has granted permission for the installation of a Geothermal Power Plant at Tattapani area of the Balrampur district to the NTPC and it is the first geothermal power plant in India.

Answer: A) wc Explanation:

National Science Day is observed on February 28th every year in India. The correct answer is:

(B) February 28

National Science Day is celebrated to commemorate the discovery of the Raman Effect by Sir C.V. Raman on February 28, 1928. This day is dedicated to promoting the importance of science in daily life and encouraging scientific activities and research in the country. It is an occasion to acknowledge the contributions of scientists and highlight the significance of science and technology in various fields. The theme for National Science Day is chosen each year to focus on specific areas of scientific development and awareness.