What are three ways a plant's organ systems work together?

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

How does the viscosity of magma change as magma cools?

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy