subject
Biology, 24.07.2019 11:30 emokid7822

The bones of this pterosaur were studied for carbon-14 levels was 1/4 the original amount. if carbon-14 has a half life of 10,000 years, how old are these specimen?

ansver
Answers: 1

Another question on Biology

question
Biology, 21.06.2019 21:50
Drag each tile to the correct box. match the given symbol or molecular formula to the term that best describes it. element -organic compound -inorganic elemental molecule -inorganic compound -answers given: so2, k, ci2, c6h6
Answers: 1
question
Biology, 22.06.2019 02:00
The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.
Answers: 1
question
Biology, 22.06.2019 21:30
When does an organism become an adult during a life cycle? a)before metamorphosis is complete b)after producing offspring c)after development is complete d)before gametes fuse
Answers: 2
question
Biology, 23.06.2019 00:30
Which animal receives the greatest amount of the original energy found in the producers
Answers: 1
You know the right answer?
The bones of this pterosaur were studied for carbon-14 levels was 1/4 the original amount. if carbon...
Questions
question
History, 05.11.2020 22:00
question
Social Studies, 05.11.2020 22:00
question
English, 05.11.2020 22:00
question
Mathematics, 05.11.2020 22:00
question
Biology, 05.11.2020 22:00
question
Mathematics, 05.11.2020 22:00
Questions on the website: 13722365