The SI standard of time is based on________?
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✅ Correct answer: E. none of these
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Earth is closest to the sun every year in early ____, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early ________, during our Northern Hemisphere summer.
✅ B. January - July
Other name of red blood cells is _______?
✅ B. Erythrocytes
Which of these is a micronutrient of plants?
✅ C. Boron
Virus is_____?
✅ C. acellular
Boiling of an egg is a change which is_____?
✅ A. Chemical
Name the animal which can live without water in its entire life?
✅ C. Kangaroo rat
Who invented the first battery?
✅ A. Tim Berner
The ‘stone’ formed in human kidney consist mostly of________?
✅ B. Calcium oxalate
Aurangzeb