Answer:
Not necessary.
Explanation:
No need for the revision of big band theory because this galaxy may be a product of big band event. At the start this galaxy is shorter and hot but with the passage of millions of years, this galaxy also expands and formation of stars and planets occurs. The stars and planets that are present in the galaxy occurs due to different events that is responsible for their current conditions. This formation of stars and planets needs millions of years.
This method is called Scientific Notation.
sperm are produced in testes by the process called spermatogenesis. plz follow me I'm new here
The term for organisms that cannot make their own food and must obtain energy from the foods they eat is a heterotroph
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