Juan has to conduct a science experiment and proposes the following hypothesis: Goldfish make better pets than guinea pigs. His teacher tells him to edit this hypothesis. Why does she want him to make changes?

Explanation:

A hypothesis is scientific guess into a particular phenomenon. A typical hypothesis is made up of the if, then and because construct.

Juan's hypothesis is lacking in these three parts.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.