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What respiratory structure controls breathing? A. Diaphragm B. Lungs C. Heart D. Trachea Please select the best answer from the choices provided. A B C D
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Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect
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Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.
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Biology, 22.06.2019 00:00
As a small change in a person's dna can cause a genetic disorder
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What respiratory structure controls breathing? A. Diaphragm B. Lungs C. Heart D. Trachea Please sele...
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