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Which of the following is/are correct?
1. Changes in the sun’s magnetic fields cause explosions called solar flares. 
2. Electrons, protons, and heavy nuclei are spit out of the solar corona. 
3. The solar storms trigger grid failures, loss of telecommunication channels, and damage the ozone layer.

Which of the following statements are correct regarding Uranium?
1. Natural uranium consists of 99.3% U-238 and 0.7% U-235. 
2. Nuclear power reactors need the uranium fuel to contain only U-235, and not U-238. 
3. Nuclear weapons need U-235 to be enriched to around 90%.

Consider the following countries
1. Bulgaria
2. Czech Republic
3. Hungary
4. Latvia
5. Lithuania
6. Romania
How many of the above-mentioned countries share a land border with Ukraine?

Consider the following statements regarding the Waqf (Amendment) Bill, 2024

1.The Bill proposes to include non-Muslims and Muslim women on Waqf boards.

2.The Bill retains the power of Waqf boards to declare a property as ‘waqf’.

3.A Joint Parliamentary Committee was set up to review the Bill in August 2024.

Which of the statements given above is/are correct?
 

Consider the following statements regarding the India Meteorological Department's (IMD) recent forecast on El Nino and monsoon rainfall.
1. IMD has ruled out the occurrence of El Nino during the upcoming southwest monsoon season.
2. "Neutral" El Nino conditions indicate a temperature rise of 1 to 2 degree Celsius in the Central Pacific.
3. Neutral conditions have always resulted in normal or above-normal monsoon rainfall in India.
4. India is expected to experience above-normal temperatures during the summer months before the monsoon.

Which of the statements given above are correct?