The blinds have pulleys. To pull them up and down.
Answer:
Agriculture allowed people to stay in one place, and increased food production caused the population density to expand far beyond levels that could be sustained by hunting and gathering alone. This growth in population density provided a critical mass of people to sustain and spread contagious infectious diseases.
Answer:
5
Explanation:
Michigan, Huron, Ontario, Superior, and Erie
Hello there. :)
<span>The set of countries with the greatest population densities are
</span><span>Germany, Italy, England</span>
