Question

a convenient accident thanks to percy spencer, a famous lab accident led to the invention of the microwave oven. spencer grew up in a rural town in maine and left school at age twelve to work and support his family. he became interested in electricity, then radio technology - and by 1939, when world war ii began, spencer had become one of the worlds top experts in radar technology. read the passage. what role does the first sentence play? a it introduces the event. b it illustrates the event. c it elaborates the event. d it analyzes the event.

Explanation:

The first - sentence "Thanks to Percy Spencer, a famous lab accident led to the invention of the microwave oven." simply states the main event that a lab accident by Percy Spencer led to the invention of the microwave oven. It does not illustrate (show examples), elaborate (go into more details), or analyze (break down and study) the event. It just introduces the event.

Answer:

A. It introduces the event.