What forms a new substance with different chemical and physical properties

Which statement best describes the role of religion and culture in ancient medicine?

How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.

Lumps of iron and manganese ore called can be harvested from the seafloor near underwater volcanoes.