<span>The oesophagus is the muscular tube in humans and most other vertebrate organisms that carries food from the pharynx, or throat, down to the stomach. It is lined with a thick, moist pink tissue called mucosa.</span>
Answer:
c less water vapor in the atmosphere
Answer:
a radio uses the reflections of a coil of wire placed in a permanent magnetic field.
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Under normal light conditions auxins are spread out in the plant. But when sunlight varies, auxin is broken down on the sunnier side of the stem. The higher concentration of auxin on the shady side causes the plant cells on that side to grow more so it bendstoward the light.
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Answer:
Silica
Explanation:
A unique feature of diatom anatomy is that they are surrounded by a cell wall made of silica (hydrated silicon dioxide), called a frustule
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