Answer:
The Important Relationship between Forests and Air. Not only do trees produce oxygen, but they also improve air quality in some unexpected ways. ... As trees transpire, they release water into the atmosphere through their leaves.
Explanation:
Explanation:
They became places where merchants could come and buy goods from the townspeople and sell them goods from elsewhere in return. ... As they make more money doing things like this, they become customers for goods that are traded from other places. Thus, towns and cities grow when trade increases.
Answer:
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The Neolithic Revolution, also called the Agrarian Revolution, was the change from a nomadic, hunter-gatherer lifestyle to a settled, agrarian one with farming. Farming is more stable and secure and it gives people more time to engage in other activities, such as improving their tools and developing cultures: the Neolithic Revolution contributed to the technological development in the river valley civilizations by giving people time to improve on their technology.
Answer: A. nullification of the law
Explanation:
The Federal Tariff of 1828 placed a high tariff on imported goods which was very damaging to the South because their economy relied on imports as they did not have much industry.
Spurred on by the proclamations of Vice President John C. Calhoun who declared that States did not have to comply with all Federal law, South Carolina passed a law that theoretically allowed it to nullify any Federal law that it deemed to be damaging to its interest.
President Jackson threatened to use soldiers to ensure compliance to Federal law but the crisis was averted due to negotiations led by Henry Clay.