Help me please I need it ASAP

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

How do you lengthen a pattern piece? (family and consumer science, sewing)

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