Which statement is true about radiocarbon dating? a. after it dies, an organisms body continues to intake c-14. b. radiocarbon dating is useful for dating objects up to 100,000 years old. c. radiocarbon dating assumes that half-life for radiosotopes change over time. d. the half-life of c-14 is 5,730 years.

Explanation:

Radiocarbon dating is method used to determine the age of an animal or object which contains organic material. This can be done thanks to the properties of radiocarbon. Basically, it's a method to measure residual radioactivity, that means after the animal dies it stops exchanging carbon.

Now, one of the most common isotope is Carbon-14. Actually it's used so often that the radiocarbon dating is also called Carbon-14 dating. One of the characteristic of this isotope is that it has a half-life of 5,730 years. This means after an organism has been dead for 50,000 years, there's no enough isotopes to do the test with Carbon-14.

Therefore, the right answer is D.

when atmosphere interacts with biosphere they focuses on on the sources and sinks of green house gases (ghgs) air pollutants, particular matters, water and energy between the earth's surface and the atmosphere. the biosphere affects the climate. the atmosphere and biosphere are in constant interaction with each other, and all living things rely on gases in the atmosphere for life. organisms such as animals take in oxygen gas form the atmosphere to use in every cell of their body for smooth functioning of daily routine exercises.

if you're asking what comes out, it's steam.