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[@mrsinn](/creator/youtube/mrsinn)
"Why Do People Migrate (Push & Pull Factors: AP Human Geo)"  
[YouTube Link](https://youtube.com/watch?v=4QrUegs-kUs) [@mrsinn](/creator/youtube/mrsinn) 2019-08-26T13:15Z 286K followers, 561.8K engagements


"Top-Down & Bottom-Up Processing AP Psychology Unit X Topic 4"  
[YouTube Link](https://youtube.com/watch?v=6NoBzdiHeL8) [@mrsinn](/creator/youtube/mrsinn) 2021-12-08T00:08Z 286K followers, 42K engagements


"Law of Supply & Types of Supply"  
[YouTube Link](https://youtube.com/watch?v=9ml4fA_b1No) [@mrsinn](/creator/youtube/mrsinn) 2018-12-18T18:20Z 286K followers, 30.5K engagements


"Five Themes of Geography In Minecraft"  
[YouTube Link](https://youtube.com/watch?v=A9Yszk57HoQ) [@mrsinn](/creator/youtube/mrsinn) 2019-09-08T13:45Z 286K followers, 452.3K engagements


"Environmental Determinism Vs Possibilism"  
[YouTube Link](https://youtube.com/watch?v=GOQ_u3aiD8Y) [@mrsinn](/creator/youtube/mrsinn) 2019-10-10T12:43Z 286K followers, 113.6K engagements


"Research Methods and Design (AP Psychology Review: Unit X Topic 2)"  
[YouTube Link](https://youtube.com/watch?v=GjthAOIJuJg) [@mrsinn](/creator/youtube/mrsinn) 2024-08-28T21:01Z 286K followers, 86.1K engagements


"The AP Psychology Secret Weapon"  
[YouTube Link](https://youtube.com/watch?v=J6NETlUN1OE) [@mrsinn](/creator/youtube/mrsinn) 2025-09-17T01:50Z 286K followers, 3160 engagements


"Why Do People Migrate AP Human Geography Review Unit X Topic 10"  
[YouTube Link](https://youtube.com/watch?v=Q1zG31HSfsM) [@mrsinn](/creator/youtube/mrsinn) 2022-10-18T22:29Z 286K followers, 72.6K engagements


"Interaction of Heredity & Environment (Nature or Nurture) AP Psychology Review Unit X Topic 1"  
[YouTube Link](https://youtube.com/watch?v=SwLs7N8qjw4) [@mrsinn](/creator/youtube/mrsinn) 2021-09-23T23:48Z 286K followers, 105.5K engagements


"Map Projections & Types of Maps AP Human Geography Review: Unit X Topic 1"  
[YouTube Link](https://youtube.com/watch?v=coDnSg9xGlU) [@mrsinn](/creator/youtube/mrsinn) 2022-09-06T00:19Z 286K followers, 337K engagements


"Introducing Psychology AP Psychology Review Unit X Topic 1"  
[YouTube Link](https://youtube.com/watch?v=fLL0nBfq3oY) [@mrsinn](/creator/youtube/mrsinn) 2021-08-30T13:04Z 286K followers, 212.9K engagements


"Comparing GDP and GNP (Examples included)"  
[YouTube Link](https://youtube.com/watch?v=qa_9IWMvFDI) [@mrsinn](/creator/youtube/mrsinn) 2019-03-06T00:25Z 286K followers, 126.8K engagements


"Cognitive Biases & Culture Reshaping Behavior (AP Psychology Review: Unit X Topic 1B)"  
[YouTube Link](https://youtube.com/watch?v=sUAGsWEA8TQ) [@mrsinn](/creator/youtube/mrsinn) 2024-08-21T20:53Z 286K followers, 48.5K engagements


"Agenda Setting Theory: Media Theories"  
[YouTube Link](https://youtube.com/watch?v=12xwHhCntHA) [@mrsinn](/creator/youtube/mrsinn) 2019-06-20T21:47Z 286K followers, 122.3K engagements


"Types of Geographic Data AP Human Geography Review Unit X Topic 2"  
[YouTube Link](https://youtube.com/watch?v=1te6CqIolfY) [@mrsinn](/creator/youtube/mrsinn) 2022-09-06T22:13Z 286K followers, 155K engagements


"Rostow's Stages of Economic Growth & Wallerstein's World Theory AP Human Geography Unit X Topic 5"  
[YouTube Link](https://youtube.com/watch?v=2ZE0Tt5by7g) [@mrsinn](/creator/youtube/mrsinn) 2023-04-04T02:08Z 286K followers, 146.7K engagements


"Environmental Determinism Possibilism & Land Use AP Human Geography Review Unit X Topic 5"  
[YouTube Link](https://youtube.com/watch?v=2uZ29qYTv0w) [@mrsinn](/creator/youtube/mrsinn) 2022-09-13T23:41Z 286K followers, 96.5K engagements


"AP Psychology Unit X Review Everything You NEED to Know"  
[YouTube Link](https://youtube.com/watch?v=4yvfd8aoUBc) [@mrsinn](/creator/youtube/mrsinn) 2024-09-17T04:28Z 286K followers, 314.2K engagements


"Qualitative and Quantitative Research"  
[YouTube Link](https://youtube.com/watch?v=69qP8kFJp_k) [@mrsinn](/creator/youtube/mrsinn) 2019-10-24T02:27Z 286K followers, 800.2K engagements


"Understanding GDP GNP GII HDI & GNI Per Capita AP Human Geography Unit X Topic 3"  
[YouTube Link](https://youtube.com/watch?v=6ecoh1YXfWs) [@mrsinn](/creator/youtube/mrsinn) 2023-03-31T00:48Z 286K followers, 129.7K engagements


"Economic Activities: Primary Secondary Tertiary Quaternary Quinary (AP Human Geography)"  
[YouTube Link](https://youtube.com/watch?v=73XPzm-kloU) [@mrsinn](/creator/youtube/mrsinn) 2019-01-21T15:14Z 286K followers, 243.6K engagements


"Brain Structures & Functions AP Psychology Unit X Topic 6"  
[YouTube Link](https://youtube.com/watch?v=7zwFI0k-JvE) [@mrsinn](/creator/youtube/mrsinn) 2021-10-27T01:28Z 286K followers, 126.6K engagements


"What is a Mixed Economy"  
[YouTube Link](https://youtube.com/watch?v=9EseSEgLsvU) [@mrsinn](/creator/youtube/mrsinn) 2018-06-12T18:38Z 286K followers, 305.8K engagements


"Statistical Analysis in Psychology AP Psychology Review Unit X Topic 5"  
[YouTube Link](https://youtube.com/watch?v=FnST0JgnOlc) [@mrsinn](/creator/youtube/mrsinn) 2021-09-12T18:41Z 286K followers, 84.9K engagements


"The Economic & Social Goals of the United States of America"  
[YouTube Link](https://youtube.com/watch?v=H0NGXPvo2hQ) [@mrsinn](/creator/youtube/mrsinn) 2018-07-10T19:09Z 286K followers, 38.5K engagements


"Types of Map Projections AP Human Geography"  
[YouTube Link](https://youtube.com/watch?v=IBYzeT2O97g) [@mrsinn](/creator/youtube/mrsinn) 2019-08-20T13:00Z 286K followers, 217.7K engagements


"Population Clusters & Densities AP Human Geography Unit X Topic X (2.1)"  
[YouTube Link](https://youtube.com/watch?v=L8p97j55Vhw) [@mrsinn](/creator/youtube/mrsinn) 2020-09-25T03:39Z 286K followers, 129.1K engagements


"Introduction to Culture AP Human Geography Review Unit X Topic 1"  
[YouTube Link](https://youtube.com/watch?v=XhmaO2Va7EE) [@mrsinn](/creator/youtube/mrsinn) 2022-10-27T03:20Z 286K followers, 159.3K engagements


"Types of Goods and the X Basic Economic Questions"  
[YouTube Link](https://youtube.com/watch?v=Ywjf9GNxPpo) [@mrsinn](/creator/youtube/mrsinn) 2018-06-11T00:36Z 286K followers, 187.6K engagements


"The Neuron & Neural Firing (AP Psychology Review Unit X Topic 3)"  
[YouTube Link](https://youtube.com/watch?v=ZPE_cy5uEGQ) [@mrsinn](/creator/youtube/mrsinn) 2025-08-26T21:26Z 286K followers, 18.4K engagements


"Sleep Cycle Dreams & Sleep Disorders AP Psychology Unit X Topic 9"  
[YouTube Link](https://youtube.com/watch?v=arbid4ShsxA) [@mrsinn](/creator/youtube/mrsinn) 2021-11-17T01:29Z 286K followers, 64.4K engagements


"Nervous System & The Neuron AP Psychology Unit X Topic 3"  
[YouTube Link](https://youtube.com/watch?v=cVwHaPvIFkg) [@mrsinn](/creator/youtube/mrsinn) 2021-09-30T22:56Z 286K followers, 85.3K engagements


"Psychological Perspectives (AP Psychology Review: Unit X Topic 1A)"  
[YouTube Link](https://youtube.com/watch?v=fbfhRKENScw) [@mrsinn](/creator/youtube/mrsinn) 2024-08-20T15:44Z 286K followers, 135.4K engagements


"Sensation and Perception AP Psychology Unit X Topic 1"  
[YouTube Link](https://youtube.com/watch?v=kub44ptLpsM) [@mrsinn](/creator/youtube/mrsinn) 2021-11-24T14:40Z 286K followers, 103.7K engagements


"What is a Command Economy"  
[YouTube Link](https://youtube.com/watch?v=lIHfNDNRQKs) [@mrsinn](/creator/youtube/mrsinn) 2018-06-12T15:30Z 286K followers, 311.1K engagements


"Population Distribution & Density AP Human Geography Review Unit X Topic 1"  
[YouTube Link](https://youtube.com/watch?v=qNoo4Kh5OiA) [@mrsinn](/creator/youtube/mrsinn) 2022-09-20T23:11Z 286K followers, 219.6K engagements


"AP Psychology Unit X Summary"  
[YouTube Link](https://youtube.com/watch?v=wmeeriS8zhU) [@mrsinn](/creator/youtube/mrsinn) 2022-04-18T21:03Z 286K followers, 273.9K engagements


"Psychometric Principles & Intelligence Tests AP Psychology Unit X Topic XX (5.10)"  
[YouTube Link](https://youtube.com/watch?v=-2QntVkXKGE) [@mrsinn](/creator/youtube/mrsinn) 2022-01-25T22:02Z 286K followers, 37.1K engagements


"Business Organizations: Multinational Corporations"  
[YouTube Link](https://youtube.com/watch?v=-rgLDwg1WsY) [@mrsinn](/creator/youtube/mrsinn) 2018-06-20T15:54Z 286K followers, 44.1K engagements


"Intensive & Extensive Agricultural Practices AP Human Geography Unit X Topic X (5.1)"  
[YouTube Link](https://youtube.com/watch?v=B5mRk8DAobc) [@mrsinn](/creator/youtube/mrsinn) 2021-01-25T14:35Z 286K followers, 166.5K engagements


"What is a Commodity Chain"  
[YouTube Link](https://youtube.com/watch?v=EfAvpEKXCgQ) [@mrsinn](/creator/youtube/mrsinn) 2023-02-09T01:02Z 286K followers, 10.7K engagements


"How to Calculate the Consumer Price Index (CPI) and Inflation Rate"  
[YouTube Link](https://youtube.com/watch?v=ReRYI86Ovms) [@mrsinn](/creator/youtube/mrsinn) 2019-06-05T12:20Z 286K followers, 322.5K engagements


"Folk Culture Pop Culture Indigenous Culture (AP Human Geography)"  
[YouTube Link](https://youtube.com/watch?v=swK8mDVjN34) [@mrsinn](/creator/youtube/mrsinn) 2019-07-23T11:00Z 286K followers, 86.5K engagements


"Understanding Population Pyramids & The DTM (AP Human Geography)"  
[YouTube Link](https://youtube.com/watch?v=u3tlujvtLUE) [@mrsinn](/creator/youtube/mrsinn) 2018-10-16T13:00Z 286K followers, 153.4K engagements