What word is used to refer to a group of organ systems working together? organism cell tissue organ

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

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