The Richter scale

a) works well for very large earthquakes.

b) measures the size of an earthquake in terms of the damage it does (its intensity).

c) is today termed a local magnitude (ML) reading.

d) measures the amplitude of the largest P-wave deflection on a seismogram.

B - measures thr size of an earthquake in terms of the damage it does (its intensity)

Explanation:

The Richter Scale was developed by Charles Richter in 1935.

measures the size of an earthquake in terms of the damage it does (its intensity).

Explanation: The Richter scale also known as the Richter magnitude scale or Richter's magnitude scale is a logarithmic scale used to express the energy released by an earthquake, each increase of 1 representing a 32-fold increase  in energy.

This scale was developed by Charles F. Richter and presented in his landmark 1935 paper. This scale measures the size of an earthquake in terms of its intensity.