Unit 3. What the Future Holds

to decelerate

one that serves as a substitute or support

extremely interesting

a person, typically one more remote than a grandparent, from whom one descends

a distinctive attribute or aspect of something

sufficiently great or important to be worthy of attention

a person that lives in or occupies a place

to succeed in dealing with a problem or a difficulty

having the ability, fitness, or quality necessary to do or achieve a specified thing

to come down from the air and settle on the ground