Pl answer

Define hydrophobic.

tending to repel or fail to mix with water.

Explanation:

In chemistry, hydrophobicity is the physical property of a molecule that is seemingly repelled from a mass of water. In contrast, hydrophiles are attracted to water. Hydrophobic molecules tend to be nonpolar and, thus, prefer other neutral molecules and nonpolar solvents.

Try to put it in your own words if your teacher ask you to write down what hydrophobic mean from the answer i give to you.

Explanation:

d. the weight of the book

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.