C because when people can't grow crops they need other ways to make money.
I think it is B because the Columbian exchange was bringing what they already had in the old world to the New world and what the New world had that the old world didn’t they brought they brought to the old world if that makes sense.
An <u>attribute</u> is the equivalent of a field in a file system.
In a computer, a file system or a filesystem refers to a system where you name the files and keep them logically in order to use or retrieve them later. Without this system, whatever information you store, it would not be isolated into individual files and it would then become difficult to identify and retrieve them.
A file management system in database management system, serves a similar purpose. It allows you to access single files or tables at a time. Here, the data is stored directly in files, which makes it easily accessible.
To learn more about file system, click
brainly.com/question/16811883
#SPJ4
The correct answer is known as "Centration".
Centration is described as the tendency to cognizance on one salient thing of a state of affairs and forget different, possibly applicable elements. added with the aid of the Swiss psychologist Jean Piaget through her cognitive-developmental stage concept, centration is a conduct often established inside the pre-operational stage.