HELP I HAVE NO TIME LEFT

What elements have 2 electrons inthe 4s sublevel

‘which reaction would most likely require the use of an inert electrode?

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