He says it is "mere" to show that it is an estimation
D) Transitions make reading an argument smoother and more enjoyable.
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Answer:
Every major advance in agriculture has allowed global population to increase. Early farmers could settle down to a steady food supply. Irrigation, the ability to clear large swaths of land for farming efficiently, and the development of farm machines powered by fossil fuels allowed people to grow more food and transport it to where it was needed.
Answer:
they raised goats and sheep because they could climb the mountains. they Also planted crops and took over other lands so they could develop the land
