Which of the following is NOT a scale used to determine an earthquake's strength? Question 7 options: Mercalli Scale Earthquake Scale Richter Scale Moment Magnitude Scale.

Suggest two reasons why irrigation is important for human development of the desert (4 marks)

Which search pattern would be best suited for a crime scene where many investigators are available to search a large area? a. spiral b. grid c. line d. zone

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?