Although dry regions may never be as densely populated as those near water, which of the following factors has led to increased populations in dry areas?
AFarmers have found ways to grow major crops in dry soil.
BFlooding and water pollution are driving people out of areas near water.
CBetter technology allows easier access to water supplies.
DHuman beings have adapted to living with little water.
AFarmers have found ways to grow major crops in dry soil.
BFlooding and water pollution are driving people out of areas near water.
CBetter technology allows easier access to water supplies.
DHuman beings have adapted to living with little water.