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Overview of types of immune responses. Difference between innate and adaptive immunity. Differences between humoral adaptive immunity and cell-mediated adaptive immunity.

The two YouTube videos provide an indication of the differences in dairy farming between Tanzania and South Australia.

• The first YouTube video elaborates on a few of the achievements that resulted from the implementation of the Tanzania livestock master plan between 2017/18 - 2021/22
• The second YouTube video provides some insight into the dairy industry in South Australia

This YouTube video delves into the impact that tourism can have on a country's economy.

This YouTube video delves into the impact that tourism can have on the environment.

An elaboration on some of the common misconceptions in dealing with Newton's Third Law. He also shows how to correctly and reliably identify Third Law force pairs.

Learn about Newton's third law of motion, which states that for every action there is an equal and opposite reaction. Look at multiple examples that illustrate this law, including pushing a block on ice, pushing against a desk, walking on sand, how rockets work, and how an astronaut could save themselves from drifting in space.

This YouTube video explains how river basins are formed.

Role of phagocytes in innate or nonspecific immunity. Neutrophils, macrophages, and dendritic cells.

This 20 minute YouTube video explores the differences between small and large scale agriculture and the uses of each.

This YouTube documentary highlights the ecological and socio-economic importance of the Tana River Basin in Kenya.