Answer:
Biology is the study of living things.
The scientific method is a method of procedure that has characterized natural science.
Explanation:
The purpose of a presumptive test is to see which substance the sample is.
Starch is a high molecular weight substance; therefore, it is insoluble to our cells. It needs to be broken down to simple sugars like glucose in order for it to be dissolved/absorbed in our blood. This is because simple sugars has smaller molecular weights and are more soluble.