1.1 Geological Time Scales Activity Homework SES4U0 In this activity, you will strive to accomplish the following: a) Have the correct time frame and major eons/eras/periods in earth's geologic history b) List 1 or 2 major events that occurred in those eons/eras/periods c) Create a scale, using a familiar object or idea to express the relative length of those time periods. Use of numbers and %s would be helpful. Some frame of reference to help the reader understand. Some suggestions are as follows: i) ii) A clock A tall building (example, the CN Tower)

Q: History of Ecology

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