# c-14

carbon 14 is a carbon with a radioactive isotope that contains 8 protons and 6 neutrons. when a person dies, the body releases more and more c-14 from it and eventually there will be no more in about 60,000 years later. using c-14, we can find out how old living stuff was, including plants, animals, and humans. tree ring dating was known for a long time. when you look at a cut down tree, you can see that there are rings on it. every year, a trees tissues form a ring. when the weather was dry, there are less tissues so the ring is small and shriveled. when the weather is wet, then there are more tissues and the tree is healthier so it forms a bigger ring. using both of the ways, we can find out when a living being died, and why.

Note by Brilliant Member
1 year, 1 month ago

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Lucia what subject do you put your written answer questions on because it wont let me because all the answers have to be a number or something.

- 1 year, 1 month ago

hey lucia its me sophie i changed my acct. Im dobby dumbledore

- 1 year, 1 month ago

future harvard student: like it. im a future mit student and a future astronaut, pilot, and olympic skier/ ski patrol. todays OEC refresher was awesome! i got a scholarship thingy cuz im underage but they let me in!

- 1 year, 1 month ago

YA i went to harvard on friday and i got to meet 2 of the professors. It was AWESOME!! And I got a sweatshirt. I will wear it to school tomorrow. See you soon Lucia!

- 1 year, 1 month ago

i have been at harvard too it was awesome hey if i dont get in MIT can i join u at harvard?

- 1 year, 1 month ago

OMG THAT LOOKS SO OOOOOOOO COOL HEY GUESS WHAT I GOT A 45,000$SCHOLARSHIP AND A 13,000$ SCHOLARSHIP FOR FLIGHT TRAINING/PILOT LESSONS OMG!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

- 1 year, 1 month ago

why? why? why?..... are you siriusly kidding me? *no pun intended i just spelled it incorrectly and i dont want to delette et cuz im lazy

- 1 year, 1 month ago

learning this in social studies and science

- 1 year, 1 month ago