According to Bowen's reaction series, which pink-colored feldspar mineral is most felsic and most stable at the Earth's surface? O Na-rich feldspar
O Ca-rich feldspar
O K-rich feldspar
biotite​

I think last is the correct one but I am not sure

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.