Answer:
d) 1000 times
Explanation:
As we know that difference of sound level is given as

so here we need to find the ratio of two intensity
it is given as



now we have

so it is
d) 1000 times
Answer:
It is a gene!!
Explanation:
It is because RNA is referred to as a gene. Genes are contained in chromosones.
Answer:
b ac power source
Explanation:
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