Avisiting chef on a cooking show clearly describes how to make a quiche while showing the audience each step. which describes the chef's purpose?
a. to demonstrate
b. to motivate
c. to persuade
d. to entertain

Which of these is an example of physical systems impacting the environment? a flood causes erosion and loss of shoreline. people fill a lake before building houses near it. an earthquake causes a building to fall. a native tribe considers a volcano to be sacred.