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These three short online lessons discuss asteroids, comets and meteors.
These three short online lessons discuss asteroids, comets and meteors.
Patterns and processes of evolution. How evolution and natural selection are reflected in the similarities and differences of organisms.
The two YouTube videos provide an indication of the differences in dairy farming between Tanzania and South Australia.
These two short online tutorials discuss how the earth rotates and then the earth's revolutions.
In the first URL, the YouTube video explains why earth has spring, summer, autumn and winter seasons. The second URL summarizes the key takeaway points.
This online tutorial will explain the earth's shape and its hemispheres.
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.
This online article delves into our the sun and planets were formed.
These four short online lessons will cover the following: