If a sample known to be about 10,740 years old has 400 carbon-14 atoms, how many atoms were in the sample when the organism died?

i believe that the answer is c.

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.