In space, however, telescopes<span> are able to get a clearer shot of everything from exploding stars to other galaxies. Another </span>disadvantage<span> for ground-based</span>telescopes<span> is that the Earth's atmosphere absorbs much of the infrared and ultraviolet light that passes through it.</span>
Open ocean of any depth, where animals swim or float freely, is called the pelagic zone.
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DescriptionPopulation density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density. It is frequently applied to living organisms, most of the time to humans. It is a key geographical term.
Choice B:
More photosynthesis leads to more oxygen in the atmosphere and oceans.
