<span>The mechanical breakdown of rocks by action of other rocks and sand particles is called "Abrasion"
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A) Tropical rain forest.
This is one of the myriad reasons that it is vital that we protect and preserve our rain forests.
Helped to confirm that environmental changes cannot affect the characteristics of a species.
Purkinje cells in the cerebellar cortex and the interpositus nucleus
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Fredrick Griffith, He did an experiment with virulent and non-virulent strains of pneumonia. He heat killed the virulent strain, making it harmless and then mixed it with the non-virulent strain. When he inoculated mice with the mixture, the mice died, This meant that the non-virulent bacteria had picked up some genetic material from the killed bacteria - they had been transformed.
