Correct answer
D. 45 dB
Explanation
45 dB is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Which one of the following is not a true snake________ ?
In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?
How many pairs of walking legs does a cockroach have?
Scurvy is caused due to the deficiency of ___________?
In how many days pluto revolves around the sun _____?
WBCs are also called as _________?