Alcohol can damage your memory permanently
Technological progress is defined as D) an improvement in the efficiency with which an economy uses its resources and factors of production to produce increased output.
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:
social classes is a characteristic of civilization that refers to. groups of people ranked by their place in society. people who come together to learn a trade. men and women who enjoy spending time together.
