Which of the following scientists is credited with the development of the first successful polio vaccine? [#1300]

Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.

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Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.

The Statue of Liberty is located on Liberty Island in New York Harbor, New York City. The 305-foot (93-meter) statue is a gift from the people of France to the United States. It was designed by French sculptor Frédéric Auguste Bartholdi and built by Gustave Eiffel, and dedicated on October 28, 1886.

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The Statue of Liberty is located on Liberty Island in New York Harbor, New York City. The 305-foot (93-meter) statue is a gift from the people of France to the United States. It was designed by French sculptor Frédéric Auguste Bartholdi and built by Gustave Eiffel, and dedicated on October 28, 1886.

When buying gold jewelry in India, you should look for the BIS hallmark logo to certify the purity of the metal. The BIS (Bureau of Indian Standards) is the official agency that certifies and hallmarks gold jewelry in India. The hallmark also includes a 6-digit alphanumeric code called the Hallmark Unique Identification number (HUID) that makes the jewelry traceable.

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When buying gold jewelry in India, you should look for the BIS hallmark logo to certify the purity of the metal. The BIS (Bureau of Indian Standards) is the official agency that certifies and hallmarks gold jewelry in India. The hallmark also includes a 6-digit alphanumeric code called the Hallmark Unique Identification number (HUID) that makes the jewelry traceable.

The Southwest Monsoon is responsible for most of the rainfall in India, bringing over 75% of the country's annual precipitation. It lasts from June to September. The Southwest Monsoon winds originate from the Arabian Sea and the Bay of Bengal.

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The Southwest Monsoon is responsible for most of the rainfall in India, bringing over 75% of the country's annual precipitation. It lasts from June to September. The Southwest Monsoon winds originate from the Arabian Sea and the Bay of Bengal.

Morarji Desai was the 4th PM (1977-1979) of India. He was the second deputy prime minister of India. He was the first non-congress Indian Prime Minister. He is the only Indian who received the highest civilian awards from both India and Pakistan, the Bharat Ratna and Nishaan-e-Pakistan.

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Morarji Desai was the 4th PM (1977-1979) of India. He was the second deputy prime minister of India. He was the first non-congress Indian Prime Minister. He is the only Indian who received the highest civilian awards from both India and Pakistan, the Bharat Ratna and Nishaan-e-Pakistan.

Kushal Konwar and Kamal Chandra Bhattacharya were prominent revolutionaries who led the Quit India Movement in Assam, playing a significant role in the freedom struggle against British rule. They were part of the Indian National Congress and worked tirelessly to mobilize support for the movement.

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Kushal Konwar and Kamal Chandra Bhattacharya were prominent revolutionaries who led the Quit India Movement in Assam, playing a significant role in the freedom struggle against British rule. They were part of the Indian National Congress and worked tirelessly to mobilize support for the movement.

A monopoly market, in simple terms, means a single seller selling a unique product. The seller dominates the market by offering a unique product, setting its own prices, and high barriers restricting new entrants.

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A monopoly market, in simple terms, means a single seller selling a unique product. The seller dominates the market by offering a unique product, setting its own prices, and high barriers restricting new entrants.

Neptune, with an average distance of about 4.5 billion kilometers (2.8 billion miles), is the farthest planet from the Sun. Note: Pluto was previously considered a planet but is now classified as a dwarf planet.

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Neptune, with an average distance of about 4.5 billion kilometers (2.8 billion miles), is the farthest planet from the Sun. Note: Pluto was previously considered a planet but is now classified as a dwarf planet.

Indira Point is located on Great Nicobar Island in the Andaman and Nicobar Islands, which are in the eastern Indian Ocean. It's the southernmost point of India, and its coordinates are 6°45'10″N and 93°49'36″E.

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Indira Point is located on Great Nicobar Island in the Andaman and Nicobar Islands, which are in the eastern Indian Ocean. It's the southernmost point of India, and its coordinates are 6°45'10″N and 93°49'36″E.

RK Narayan is famous for his book-Malgudi Days. The book includes 32 stories, all set in the fictional town of Malgudi, located in South India. Each of the stories portrays a facet of life in Malgudi.

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RK Narayan is famous for his book-Malgudi Days. The book includes 32 stories, all set in the fictional town of Malgudi, located in South India. Each of the stories portrays a facet of life in Malgudi.

Raj Ghat in Delhi, India is a memorial complex dedicated to Mahatma Gandhi. The memorial marks the spot where Gandhi was cremated on January 31, 1948, and features a black marble platform with an eternal flame at one end. Some say the memorial is a testament to Gandhi's ideals and principles, and others visit to pay their respects to the "Father of the Nation". Raj Ghat also includes memorials to other leaders, such as Indira Gandhi, Rajiv Gandhi, and Charan Singh, as well as a large park with a picnic area.

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Raj Ghat in Delhi, India is a memorial complex dedicated to Mahatma Gandhi. The memorial marks the spot where Gandhi was cremated on January 31, 1948, and features a black marble platform with an eternal flame at one end. Some say the memorial is a testament to Gandhi's ideals and principles, and others visit to pay their respects to the "Father of the Nation". Raj Ghat also includes memorials to other leaders, such as Indira Gandhi, Rajiv Gandhi, and Charan Singh, as well as a large park with a picnic area.