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.
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Energy can pass from one trophic level to the next when organic molecules from an organism's body are eaten by another organism. ... On average, only about 10% of the energy stored as biomass in one trophic level—e.g., primary producers—gets stored as biomass in the next trophic level—e.g., primary consumers
The earth has to be really really old but you. An search that up
Saturated fat is typically solid at room temperature.
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With a compromised immune system, people have a far more difficult time fighting off disease. Due to this, their bodies are more vulnerable to getting such diseases and cannot create the antibodies needed to fight the disease off.
