Apositive ion may be formed when a
a. non-metal atoms gains enough electrons to complete its outer shell
b. metal atoms gains enough electrons to complete its outer shell
c. metal atom loses it's outer shell

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