I believe the best answer is C. i mean it has already made that progress, hints the term developed, not developing. i hope this helped, have an amazing day :)
Answer
False
Explanation
In a demographic equation is a mathematical model that determines changes in population by taking births minus deaths plus the amount of migration to the demographic area. The estimate is simply on the increase or decrease in population by adding the number of births plus the net migration to the previous numbers then subtracting the number of deaths.
All of the above are correct
1-choose any two points on the line.
2-draw a right-angled triangle with the line as hypotenuse.
3-use the scale on each axis to find the triangle's: vertical length.horizontal length.
4-work out the vertical length ÷ horizontal length.
5-the result is the gradient of the line.