In business documents, spacing between columns needs to be proportional to the text because when spacing between columns, you don't want your text or writing to be too far apart but you want it pretty close/equivalent so the text can be correct.
Answer:
Because the tectonic plates are moving so slowly in such small incraments that it would take a while before there was any noticable change.
Explanation:
The item in question is known as a web search engine. These services will crawl websites and gather information about web pages to present to the searching user based on the search terms compared to the content of the webpage.
Answer to my knowledge is d. overlap