I believe the correct answer from the choices listed above is the first option. It is by the process of photosynthesis that <span>plants obtain carbon from the atmosphere. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
After reviewing the graph you posted above, there is one radioactive isotope that has a half life that is approximate to the same as the estimated time of the origin of Earth.
The radioactive isotope is called Uranium 238. You can also write this out as U-238 or uranium/u. Any of these are acceptable for the answer.
The correct answer is D, winds that blow inland from oceans or large lakes contain a lot of water vapor that will cause precipitation.
The major source of air pollution that disrupts the atmosphere’s natural cycles is the combustion of <u>fossil</u> fuels.
