User Activity
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User Timeline
Jan. 27, 2023
… added Interdependence Activity 1: Food Chains and Webs (Grades 9-12) to the group Cornell School District / High School Science at 7:42 a.m.
Nov. 11, 2022
… added Photosynthesis Model to the group Cornell School District / High School Science at 1:29 p.m.
Oct. 10, 2022
… added Introduction to CK-12! to the group Cornell School District / High School Science at 9:45 a.m.
… added Extinction and De-extinction to the group Cornell School District / High School Science at 9:35 a.m.