A prediction is making a forecast of what will happen in the future based on past experience or evidence
Answer: a molecule made of many small molecules
Explanation: Macromolecules are large molecules that are composed of smaller molecules called monomers. These macromolecules are polymers of the monomers units. Examples of macromolecules are proteins which have amino acids as their monomers and carbohydrates which have monosaccharide sugars such as glucose, and fructose as the monomers.
Answer: a (weak) acid
Explanation: the solutions are mostly neutral but the pH shown by the indicator as a bright blue means it is slightly acidic meaning the pH is between 6 and 7.6