In terms of amplitude (the height of the wave on the seismogram), how much more powerful is one (1) unit of magnitude? For example, what is the difference between a Magnitude 7 (M7) and an
M8?

If the distance between two points on the ground is 10 miles and the distance between the same two points on a map is 4 inches, what is the map scale expressed as a ratio?

Look at the photo i can’t do geography

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit