Which question could be answered using the process of scientific inquiry
Why do tuna exist?
What food do tuna like to eat?
When will all of the tuna be gone from the ocean?
How has the average size of tuna changed from year to year?

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