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Its number 4 , After billions of years, cyanobacteria turns into iron; the iron beds are remnants from cyanobacteria. its 7th grade science.
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d they respond to pathogens
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Your hypothalamus communicates with the anterior pituitary lobe via hormones and the posterior lobe through nerve impulses. Through the stalk.
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i think its A. i dunno if it is btw have a nice day
First way it will affect the environment is that there won’t be any trees to soak up water from rainstorms.
Second water won’t be brought up to the surface due to the fact there are no roots to do that.
