The ability to communicate indicates emotional intelligence. whales and dolphins have complex languages that they use to communicate with one another.
which is the best inference one could make?
whales and dolphins can learn new languages.
emotional intelligence is an important part of being human.
whales and dolphins are emotionally intelligent.
we need to do more research on the languages of marine animals.

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.

the answer is culture