Answer: New and improved technology
Explanation: With more development tools we can significantly decrease manual labor which then causes us to increase our production time. As we improve this technology we are able to shift to more commercial production producing more for our larger population rather than simply for oneself and or their family
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Answer:
<u><em>River valley civilizations</em></u>
Explanation:
They were centred around various river valleys as their main source of livelihood and the flourished only due tiote river valley on which they were based. Like the harappan in Indus Valley, The yellow river (Huang He), the Mesopotamia around Tigris and Euphrates and the egyptian Nile.
D seismic waves refract or bend to bounce off differently according to the object or material you have
Answer:
2 biotic factors that compete for a abiotic factor in a forest are a wolf and a deer competing for water.
Explanation:
