Oparin's theory about 'Origin of life' is related to
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Chinese spacecraft Chang’e 5 has returned to the Earth, carrying samples from which astronomical body?
Which of the following products can be obtained from coal processing?
Which one of the following is the largest source of natural energy to humans?
What is the basic unit of classification in taxonomy?
What is the code name of world’s largest amphibious aircraft made by China?
In 1969, who among the following was a part of the crew of spaceflight Apollo-XI?
Which of the following statement is true?