What is the author's purpose in this passage from "how to eat an ice-cream cone"? melted ice cream, children, is a fluid that is eternally sticky. one drop of it on a car-door handle spreads to the seat covers, to trousers, to hands, and thence to the steering wheel, the gearshift, the rearview mirror, all the knobs of the dashboard—spreads everywhere and lasts forever, spreads from a nice old car like this, which might have to be abandoned because of stickiness, right into a nasty new car, in secret ways that even scientists don't understand. a. the author is trying to encourage the audience to eat ice cream carefully b. the author is trying to persuade the audience not to eat ice cream c. the author is trying to use humor in order to entertain the audience d. the author is trying to inform the audience what can happen to a car

C. The author is trying to use humor in order to entertain the audience

Explanation:

L. Rust Hills'  "How to Eat an Ice-Cream Cone" offers a bend on the normal how-to control. Slopes' utilization of theme decision, vocabulary, and configuration present his group of onlookers with an unexpected and funny way to deal with eating a frozen treat, appearing in the process how crazy the how-to kind can be.

the answer is:

b) to show the progression of inventions that took place in the bicycling industry.

hope it !

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).