fix(curriculum): replace a question in JavaScript Asynchronous Programming lecture (freeCodeCamp#61173)

Co-authored-by: Huyen Nguyen <[email protected]>

Author: Cyanidebob0

curriculum/challenges/english/25-front-end-development/lecture-understanding-asynchronous-programming/673407e02bcf0d682b9a49a9.md

@@ -113,36 +113,36 @@ The JavaScript code you write.
 
 ## --text--
 
-What is the purpose of the event loop in JavaScript?
+Which of the following best describes the difference between a JavaScript engine and its runtime?
 
 ## --answers--
 
-To create visual loops in web animations.
+The engine provides features like the Fetch API and the DOM; the runtime only parses and executes code.
 
 ### --feedback--
 
-Think about how JavaScript handles tasks that might take some time to complete.
+Think about the distinct roles of the JavaScript engine and the runtime environment.
 
 ---
 
-To repeatedly execute a block of code.
+The engine parses and executes code; the runtime provides the engine plus additional features like the Fetch API and the DOM.
 
-### --feedback--
+---
 
-Think about how JavaScript handles tasks that might take some time to complete.
+The runtime compiles code into bytecode and machine code; the engine just interprets the code.
 
----
+### --feedback--
 
-To manage asynchronous operations and keep the program responsive.
+Think about the distinct roles of the JavaScript engine and the runtime environment.
 
 ---
 
-To loop through arrays efficiently.
+They are the same thing—engine and runtime are interchangeable terms.
 
 ### --feedback--
 
-Think about how JavaScript handles tasks that might take some time to complete.
+Think about the distinct roles of the JavaScript engine and the runtime environment.
 
 ## --video-solution--
 
-3
+2