Which of the following is the best definition of a scientific theory? me plz

One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

What state of matter is ice a. liquid b. element c. solid d. gas