As a basis for understanding this concept: a. Students know some changes in the earth are due to slow processes, such as erosion, and some changes are due to rapid processes, such as landslides, volcanic eruptions, and earthquakes.
(a. Students; know; ) (some changes in the earth; are; due to slow processes, such as erosion) (some changes; are; due to rapid processes, such as landslides, volcanic eruptions, and earthquakes)
a. Students some changes in the earth some changes
know are are
due to slow processes, such as erosion
due to rapid processes, such as landslides, volcanic eruptions, and earthquakes