Answer:
b. a variable
Explanation:
A variable holds a specific type of data
They modify is bcuz every race car is different and the driver is going to want something different then everyone else.
Answer
Crawler
Explanation
This is a program that go to various website to read their pages and content provided in order to form entries for a search engine index.All search engines have this program called spider or a bot. It acts as an automated script that browses through the internet to scan the web pages and find words contained in the pages and where the words are used.
