Answer:The quality or state of being volcanic; volcanic activity. ... The level of power of a volcano.
Explanation:
Personally I would say it's A (apart from the installation costs which may make it a little expensive) but it does involve certain aspects of D also as wind energy doesn't cause pollution. So either A or D!
Hope I was of help! :)
Answer:
x = 3.5
Explanation:
The chords are the same length, so are the same distance from center:
3x +1 = x +8
2x = 7 . . . . . . subtract x+1
x = 3.5 . . . . . divide by 2
Try using demos graphs to see it. there ed is an app and a website
It is answer B, that is what I think it is
