How can the ph of a solution be calculated if the poh is known?

Nonmetal halogen family atmoic mass 35

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe

State one important difference between a physical change and a chemical change?