Answer:
No, they are not. The concept of human races appears to be solidly grounded in present-day biology and our evolutionary history. But if you asked that conference of geneticists to give you a genetic definition of race, they wouldn’t be able to do it. Human races are not natural genetic groups; they are socially constructed categories. Genes certainly reflect geography, but unlike geography, human genetic differences don't fall along obvious natural boundaries that might define races.
Answer:
what I don't understand what is the Ctcagt
They can harm other native species and thrive in the new environment which can potentially make the other species go extinct as the new species has no predators.
Its helps pull apart the molecule water
to get the electrons from it