Locate the gerund. since it is used as a noun, determine its noun use. reckless driving is dangerous. gerund: use:

Explanation:

The gerund would be: driving.

Whereas the use would be: subject.

The adjective reckless modifies the verb driving turning the phrase into a noun, reckless driving, whose main function is as a subject for the rest of the sentence.

Another example would be: creative filmmaking is not common nowadays.

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.