Q: this event is sometimes called the "cambrian explosion", because of the relatively short time over which this diversity of forms appears. some point to the increase in oxygen that began around 2 billion years ago supporting a higher metabolic rate and allowing the evolution of larger organisms and more complex body structures.

A: This event is sometimes called the "Cambrian Explosion", because of the relatively short time over which this diversity of forms appears. Some point to the increase in Oxygen that began around 2 billion years ago supporting a higher metabolic rate and allowing the evolution of larger organisms and more complex body structures.
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Q: the night will bring clouds with light rain. morning temperatures will be around 10 c. during the day they will reach a maximum of 14 c. low temperatures at night will be around 9c. we have moderate to brisk westerly wind with strong gusts.

A: The night will bring clouds with light rain. Morning temperatures will be around 10 C. During the day they will reach a maximum of 14 C. Low temperatures at night will be around 9C. We have moderate to brisk westerly wind with strong gusts.
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Q: in 1922, ralph became a proctor at cambridge which, being a marine, he was well-suited for, finding himself chasing after undergraduates frequently and, on one occasion, injuring himself doing so.

A:
In 1922, Ralph became a Proctor at Cambridge which, being a Marine, he was well-suited for, finding himself chasing after undergraduates frequently and, on one occasion, injuring himself doing so.
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