Definition of formula in science. (own words)

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

What is the value of the standard enthalpy of formation of an element in its most stable form?

What the blanks in these lines are ?