There is no model but a good example of that kind of relationship is mosquitoes to horses or humans
A. ocean temperatures declining
Mounds is named after small hills
Answer:
I can't see what the thousandth place is behind the decimal here, but you would look at the number in that spot. If the number is larger than 4, then you round up. If it is 4 or less, then you keep it the same.
Explanation: