What will phospholipids form when placed in water? a sphere-shaped single layer
a sphere-shaped double layer
a sheet-shaped double layer
a sheet-shaped single layer​

Which terms are used to identify pure substances

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

This statement about matter and its behavior is best classified as a