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The protein found in red blood cells that give blood its color. plasma platelets fluid hemoglobin
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Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels
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The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons
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Number and variety of living organisms includes genetic, species, and ecological types
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The protein found in red blood cells that give blood its color. plasma platelets fluid hemoglobin...
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