Living species are alive and their species still have members, while extinct species no longer are living, and no more of their members exist.
Its the color of crystals formed depends on the speed of evaporation
Explanation:
Coral reefs are situated in humid oceans close to the equator. The major coral reef is the Great Barrier Reef in Australia. The subsequent main coral reef is situated off the shore of Belize, in Central America. Further reefs are situated in Hawaii, the Red Sea, and other areas in humid oceans. Coral ecosystems are a basis of nutrition for millions; shield the shorelines from hurricanes and erosion; offer home, to reproducing and nursery grounds for economically important fish species; provide jobs and income to local economies from fishing, recreation, and tourism; are a source of new medicines etc. Coral reefs begin to form when free-swimming coral larvae attach to submerged rocks or other hard surfaces along the edges of islands or continents. As the corals grow and expand, reefs take on one of three major characteristic structures —fringing, barrier or atoll.
Their sex chromosomes or gender doesn't play a role in determining whether the cancer is from exposure to carcinogens. usually,an abnormality in sex chromosomes leads to hereditary type cancers inherited fro their parents, but with carcinogens they dont have a very major role to play with.Rest 3 options would surely determine an individual getting cancer from carcinogen.
I think the answer would be B. Genealogy.
