Karst topography can cause drinking water to become more polluted
B is the correct answer tbh
1.03!! Very easy you welcome:)
Answer:
I think it would be the last answer
Explanation:
Its magnifying power is: 4X 5X 9X 20X. A 4-inch, f/5 telescope has a 1-inch eyepiece focal. Its magnifying power is 9x. This answer has been confirmed as correct and helpful.