Which statement describes heterougeneous mixtures ?

Answer

They are made up of two or more pure substances that are not chemically bonded together.

Explanation

Heterogeneous mixtures are mixtures of different types made of dissimilar items. A homogeneous mixture contains components which makes the mixture uniformly distributed throughout the mixture making a similar composition of the mixture throughout. Example a mixture of oil and water is heterogeneous mixture.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).