im pretty sure these are the correct answers (:
for the first one it is change in rainfall. the second one is 25%. the third is surpluses of food abundant food suplies. the fourth one is exploiting and misusing a resource making new products out of raw materials. hope this helps! (: brainiest?
UHhHh, B? That should be correct... but uhh, I’m an idiot.
Quality inputs (improved seeds and fertilizers) are essential to raising productivity (yields per unit area planted) under both the rainfed and irrigated conditions. In addition, strong extension and advisory services are important for enhancing the adoption and efficiency of improved inputs.
Formation of groundwater i think
Answer：
China faces serious social and economic problems associated with overpopulation in the years to come. Overly populated regions lead to degradation of land and resources, pollution, and detrimental living conditions.
