1. How can farmers personally test their pigs' DNA? 2. What are three ways the ability to copy DNA has changed our world?
3. How can personal DNA machines save human lives?
4. If you had access to a personal DNA machine, what would you analyze and why?
[tex]1. How can farmers personally test their pigs' DNA? 2. What are three ways the ability to copy DN[/tex]
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they kick it to the curb.
that current was nasty.
answer: carbon 14 can only be used to determine the age of the organisms that were once living, and igneous rocks are non living.
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.
a well-developed collarbone
rotating shoulder joints
partially rotating elbow joints
similar dental formula
Ican't see the images : (