.

1. I think Ahmed will travel next month.

2. At first the man didn't notice that Nour was watching him.

Explanation:

The above answers are correct.

In the first sentence, "will travel " is used because it talks about what happen in the future to Ahmed.

In the second sentence, "didn't notice" and "was watching" as used in the sentence is actually the correct form of tense that fits the sentence.

the legal limit for the drivers who can drive after consuming any amount of alcohol is 21 years.

explanation:

on november 1, 1996, a "zero tolerance law" was put into effect in the new york state.

according to this zero tolerance law, for people under the age of 21 years, it was illegal to purchase and possess alcohol or to drive after consuming any amount of it.

also, the alcohol involvement rate for the drivers under the age of 21 was roughly twice that of elderly drivers.