Set up a proportion: Central Angle/360= arc length/ circumference where the central angle= 45 and circumference= 128 ft. After you cross multiply, you should find that the answer is 16ft which is A.
Norway
....................................................................................................................
B- are spaced closely together.
You can google ”steep slope map” and you will find some explanations if you need
The fact that volcanic rock has often been found early in the rock record but less frequently in later rock layers suggest to scientists the following conclusion about early earth: <span>volcanic activity was more common in the past than it is today.
</span>Besides volcanic activity in general, also huge volcanic eruptions<span> were much </span>more common than today<span>.</span>
Ir is the third opinion, 100km area
