The population of
agro-lased employee has decreased in the
latest census. Why?

the employment in agriculture sector is decreasing because there is very less income in the agriculture sector and the increase in population is also the result of decreasing in employment in agriculture as of the most of the population has moved to the cities .

the plates spread at mid-ocean ridges (they are divergent plate boundaries) which allows magma to rise through the weakness between the plates. the magma then emerges as lava from the boundary and cools, creating a new crust.