01:12 duration 1 minute 12 seconds
LB Chem is HARD! You are NOT alone. - Nicole…
LB Chem is HARD! You are NOT alone. - Nicole Epshteyn
05:43 duration 5 minutes 43 seconds
Phylogeny_Tutorial_1
05:47 duration 5 minutes 47 seconds
Dr. Gary Introduces the Primary, Secondary, and…
Dr. Gary Introduces the Primary, Secondary, and Tertiary Sectors of Economic Activity
Dr. Gary introduces the concept of sectors of economic activity as part of the discussion for Lesson 6 (Economic Activities) in GEO 151v, Human Geography. Primary, secondary, and tertiary sectors…
02:09 duration 2 minutes 9 seconds
Base 10
By: Dr. Ashton Shortridge; For GEO425: Week 1, Class 2.