Surface water which included rivers, lakes and open canals.
Ground water from wells.
Rain water which was seasonal during rainy season. They used to collect water in tanks and rain containers. Major crop production like rice and corn grow only during rainy season.
Answer:
ur teacher probably makes the quiz, but what info do u need
Explanation:
Answer: Herding animals.
In the zones of the semi-arid climate, there are huge areas of savannahs and steppes. Annual rainfall varies from 250 to 760 mm. This moisture is enough for grassy vegetation, but not enough for full forests. Severe droughts in these areas are a fairly common phenomenon. In open level spaces with rare trees prevail strong winds. The necessary conditions of existence of grassy vegetation of this zone are grazing of large herd animals which liberate vegetative communities from the accumulated straw and destroy bushes. The bulk of the plant grass mass is concentrated underground. The powerful root system allows it to accumulate nutrients and moisture. Herding animals stimulate the regeneration of vegetation.
The Senate should be more measured in its thinking of the house
