A = π r²
the formula for circumference of a circle is 2 x pi x r
the first question answers are :
- subsistence farming
- little change in village life over centuries
2nd question answers:
- economic oppurtunity
- geography
sorry if i am wrong!!
Answer: a Volcanoe
What it is are openings, or vents where lava, tephra (small rocks), and steam erupt on to the Earth's surface.
Answer:
Spring
Explanation:
The type of temperature in the area