Your answer to this is most likely:
He discovered many other important elements.
Explanation:
Drivers ages 16-17 continue to have the highest rates of crash involvement, injuries to themselves and others and deaths of others in crashes in which they are involved. Drivers age 80 and older have the highest rates of driver deaths. Drivers ages 60-69 were the safest drivers by most measures examined.
The answer is C, body language. Body language is very important in communication. If you are in an interview and you're fidgeting...looking around the room...pacing....slouching....chances are you aren't going to get the job.
Boiling water is water that's bubbling at 212ºF. ... Simmering, on the other hand, is slower than that nice bubbling boil. It's still very hot—195 to 211ºF—but the water in this state isn't moving as quickly and isn't producing as much steam from evaporation. Simmering water is great for soups, broths and stews.
Your friends, younger siblings, a partner, yourself.