Answer:
2x+9 when x equals 3 is 2*3+9
=15
Explanation:
Imagine that the arable land is scarce then people will compete for land in competition will be big this means that it is more likely to be able to find smaller pieces of land for it is likely that the size of the House and farms will be small
B.) constructive process
Deposition is depositing material which is constructive
