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In teaching french lanauage i find that there are lots of rules that need to be learned. For the example of object pronouns there is a good diagram (triangle shape) to follow. This diagram shows that me/t...

When bacteria divide, random mutations in their DNA lead to differences in bacteria. Some of the bacteria will randomly develop genes that help them to survive a dose of anitbiotics (resistance). When a p...

Evolution by natural selection arises when these three properties are present in a system

• Heredity - offspring resemble their parents in discrete characteristics.

• Variat...

A cell has DNA and this makes up chromosomes, this is found in the nucleus of the cell. A chromosome cnan divide and form 2 chromatids. Mitosis and Meiosis are both ways in which cells reproduce. Mitosis ...

The World Trade Organisation's purpose is to promote the free trade of goods and services amongst its 164 member states by discouraging protectionist measures and settling trade disputes. This directly be...