What is the most likely reason that horses and mountain goats have hooves

The primary agent of contact metamorphism is

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange

Which statement about factories in the industrial revolution is not true? a) some of the first advances were in textile mills b) spinning machines used water power c) water power was replaced by steam power d) coal was imported to english factories for power answer d) coal was imported to english factories for power