Answer:
when you don't know what the word mean
Here are the answers to the given question above.
The given word is "begin". The present participle would be beginning. The past form is began, and the past participle is begun. The word begin is one of the irregular verbs. Hope this answers your question. Have a great day!
Plagiarism can occur accidentally when don't you add the source of your evidence.
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).
