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.

Interrogative sentences are used to ask questions or seek information, and typically begin with a question word like "who", "what", "where", "when", or "how".

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Interrogative sentences are used to ask questions or seek information, and typically begin with a question word like "who", "what", "where", "when", or "how".

Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. This process supports life on Earth and is a critical part of the Earth's energy balance.

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Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. This process supports life on Earth and is a critical part of the Earth's energy balance.

Saturn's ring system is one of the most extensive and visible in our solar system, composed of seven main rings and numerous smaller ringlets. The rings are made up of ice particles and rock debris.

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Saturn's ring system is one of the most extensive and visible in our solar system, composed of seven main rings and numerous smaller ringlets. The rings are made up of ice particles and rock debris.

Economic liberalization in India was initiated in 1991. The reforms were introduced in July 1991 by the minority government of Prime Minister P.V. Narasimha Rao and Finance Minister Dr. Manmohan Singh. The reforms were a response to a balance of payments crisis and were part of an International Monetary Fund (IMF) program.

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Economic liberalization in India was initiated in 1991. The reforms were introduced in July 1991 by the minority government of Prime Minister P.V. Narasimha Rao and Finance Minister Dr. Manmohan Singh. The reforms were a response to a balance of payments crisis and were part of an International Monetary Fund (IMF) program.

EOS-01, or Earth Observation Satellite-01, is an all-weather satellite built by the Indian Space Research Organisation (ISRO) for Earth imaging. It was launched on November 7, 2020, from the SHAR Centre in Sriharikota, India, and has a mission life of two years. The satellite is intended for use in agriculture, forestry, and disaster management.

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EOS-01, or Earth Observation Satellite-01, is an all-weather satellite built by the Indian Space Research Organisation (ISRO) for Earth imaging. It was launched on November 7, 2020, from the SHAR Centre in Sriharikota, India, and has a mission life of two years. The satellite is intended for use in agriculture, forestry, and disaster management.

The Chola Empire, a medieval Indian kingdom, was renowned for its maritime trade and naval power, with extensive trade networks across Southeast Asia.

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The Chola Empire, a medieval Indian kingdom, was renowned for its maritime trade and naval power, with extensive trade networks across Southeast Asia.

The Statue of Unity is located in the Kevadiya colony in Gujarat, India, on Sadhu-Bet Island in the Narmada River, facing the Sardar Sarovar Dam. It is about 100 kilometers (62 miles) southeast of Vadodara, and 3.5 kilometers downstream from the dam. The statue is 182 meters tall and is a tribute to Sardar Vallabhbhai Patel, one of India's most important leaders.

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The Statue of Unity is located in the Kevadiya colony in Gujarat, India, on Sadhu-Bet Island in the Narmada River, facing the Sardar Sarovar Dam. It is about 100 kilometers (62 miles) southeast of Vadodara, and 3.5 kilometers downstream from the dam. The statue is 182 meters tall and is a tribute to Sardar Vallabhbhai Patel, one of India's most important leaders.

Ganymede, a moon of Jupiter, is the largest natural satellite in the solar system, with a diameter of approximately 5,262 kilometers (3,270 miles). It is even larger than the planet Mercury

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Ganymede, a moon of Jupiter, is the largest natural satellite in the solar system, with a diameter of approximately 5,262 kilometers (3,270 miles). It is even larger than the planet Mercury

The Pir Panjal Range is located in the Indian states of Jammu and Kashmir and Himachal Pradesh, and in Pakistan-administered Kashmir. The range runs from east-southeast to west-northwest, extending over 200 miles from the Nilam River in Azad Kashmir to southwestern Jammu and Kashmir. The Pir Panjal Range is part of the Lesser Himalayas.

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The Pir Panjal Range is located in the Indian states of Jammu and Kashmir and Himachal Pradesh, and in Pakistan-administered Kashmir. The range runs from east-southeast to west-northwest, extending over 200 miles from the Nilam River in Azad Kashmir to southwestern Jammu and Kashmir. The Pir Panjal Range is part of the Lesser Himalayas.

An erratic is a rock that has been transported by a glacier and deposited in a new location, often far from its original source. Erratics can provide valuable information about the geological history of an area.

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An erratic is a rock that has been transported by a glacier and deposited in a new location, often far from its original source. Erratics can provide valuable information about the geological history of an area.