Explore Direction: From the information that you read, answer the following question
with Yes or No. Write the answer in your journal.
1. Human actions affect estuaries and intertidal zones.
2. Adding soil waste or liquid pollution keeps the estuary and intertidal zone
safe.
3. You should let your local council know if you see something that could be
a risk for an estuary and intertidal zone,
4. Planting trees helps stop soil erosion and trap sediment and nutrient run-
off into the estuary.
5. Intertidal zone is not an important indicator for climate change.​

answer: carbon 14 can only be used to determine the age of the organisms that were once living, and igneous rocks are non living.

explanation:

carbon 14 dating is used to determine the age of the sample by estimating the amount of carbon 14 present in the sample and then comparing it with a reference standard.carbon 14 is a isotope of carbon which is radioactive and unstable. carbon 14 is assimilated by all plants and animals throughout their life from carbon dioxide. however, one the organisms die they stop this assimilation and the carbon 14 content starts to decrease.by knowing how much of carbon 14 is left in an organism after his death, one can estimate the age of the organism. the materials whose age can be estimated by carbon 14 method are the organic compounds. however, some inorganic compounds such as aragonite   shell can also be dated.however, if we consider the igneous rocks it is a non living component which never accumulated carbon 14 in it and thus, we cannot use carbon 14 dating method to estimate its age.

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