Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?

1. Protostomes invade terrestrial environments.

2. Cambrian explosion occurs.

3. Deuterostomes invade terrestrial environments.

4. Vertebrates become top predators in the seas.

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 evaluates to

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#Question id: 14538

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The following plot shows a function y which varies linearly with x. The value of the integral 

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#Question id: 14599

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Problem of Concentration polarization in membrane filtration is overcome by 

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What is pervaporation  

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Cohn's equation which is given following used to describe the phenomenon of Log S = beta-k1 

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#Question id: 14608

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In salting out precipitation method, protein precipitated out by?