Chimneys are typically vertical, or as near as possible to vertical, to ensure that the gases flow smoothly, drawing air into the combustion in what is known as the stack, or chimney effect.
Primary consumers are the ones eating the plants, so mostly they are herbivores, compared to the secondary consumers, which eat both, that can be called omnivores
The national wildlife refuge at Chincoteague,Virginia, is one of the newest in a chain of sanctuaries placed along the flight lanes of the waterfowl.
Answer:
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The answer is cnidaria
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