Answer: (B) nervous of the slight change he can sense.
Explanation:
The definition of a meter: Distance traversed in vacuum by light in 1/299,792,458 of a second.
According to this light travels 299,792,458 meters in a second. A nanosecond is 1 billionth of a second so light travels 299792458 / 1,000,000,000 meters in a nanosecond or 0.299792458m. (In a vacuum).
Answer: Plethora is a noun. Tranquility is a noun. Conundrum is a noun.
Explanation:
Answer:
b. went
Explanation:
I think option b is the correct answer.
Hope it helps.
