The process is called Abrasion.
Agricultural consumption refers to the consumption, or eating, of a place's agriculture, or farmed resources, such as wheat, hay, crops, etc. However, it may also refer to the "using up" of a place's resources. For example, take the phrase, "The economy consumed the country's resources." The economy didn't actually eat the resources, but used them up. Either works depending on the situation, but most likely, the question is looking for the first answer :)
Surface, crust, mantle, and core
Answer:
To Find Jenna's change, you need to use subtraction.
For Example, a quarter is 25 cents, so 20.25 is what Jenna gave to the sales clerk.
The Book costs, 12.19, so Subtract 12.19 from 20.25
20.25
- 12.19
________
( )
That is how you can find jenna's change
Answer: It is the difference between immigration into and emigration from the area during the year (net migration is therefore negative when the number of emigrants exceeds the number of immigrants).