The three major scales used to measure earthquakes are mercalli scale, richter scale and magnitude scale.

The statement ‘The three major scales used to measure earthquakes are Mercalli Scale, Richter Scale and Magnitude Scale’ is true. These three scales used to measure the seismic waves released by the earthquake.

the closer the planet is to the sun, the larger the gravity

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2