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The correct answers are:
There is more dissolved oxygen in colder waters than in warm water.
If ocean temperatures rise, then the risk to the fish population increases.
There is more dissolved oxygen in colder waters than in warm water.
If ocean temperatures rise, then the risk to the fish population increases.
What is the most important gas for the origin of life?
Thus oxygen is the most important gas for origin of life, even at present, it is a limiting factor for the origin of new life.
Cold water can hold more dissolved oxygen than warm water.
In winter and early spring, when the water temperature is low, the
dissolved oxygen concentration is high. In summer and fall, when the
water temperature is high, the dissolved-oxygen concentration is often
lower.
Climate change causes the change of oceanic currents and
consequently affects the environment for fish: areas that have
favourable conditions increase resulting in an expansion in species'
range and the growth in population; areas, where favourable conditions
exist may move, causing a population's numbers to decline.
Learn more about the oxygen gas here:
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