Food is usually kept from entering your trachea by the Epiglottis
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Cells are considered the basic units of life in part because they come in discrete and easily recognizable packages. That's because all cells are surrounded by a structure called the cell membrane — which, much like the walls of a house, serves as a clear boundary between the cell's internal and external environments.
Answer:
a geyser has an obstruction in its hydrothermal plumbing near the surface. In hot springs, water is allowed to circulate to the surface and move freely, giving off steam and heat. In geysers, constrictions keep the boiling water underground.
Explanation:
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Herbivores, basically any animal that gets energy from another animal is a primary consumer so a secondary consumer is any animal that gets energy from the plants or other things it just doesn't eat another animal to get energy.
