PL HEL PL HEL If the weather in Chula Vista changed to very cold (snow on the ground 8 months of each year) over the next few years, what change might occur?

A. The cold weather would cause a mutation in squirrels which causes their fur to be white.

B. If a mutation occurred which caused white fur to develop, the white squirrels would have a better chance to survive and produce more offspring with the characteristic.

C. Natural selection would cause a new genotype to appear in the population, resulting in squirrels with white fur.

D. Evolution would definitely occur resulting in white squirrels.
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D.Evolution would definitely occur resulting in white squirrels

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.