Answer:
The big bang produced an imprint of leftover heat called CMB radiation
Explanation:
CMD is short for Cosmic Microwave Background
13 billion years ago. The big bang produced an imprint of leftover heat called. CMB radiation. ... Because CMB radiation was throughout the universe, scientists can only relate the source to the big bang.
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Blood vessel
Ans. An isotope of Hydrogen called Tritium has one Proton and two Neutrons and its mass is 1
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it is the third sentence
