Answer:
the answer is epiglottis in the respiratory system
Carries oxygen from pulmonary alveoles to tissue and returns carbon dioxide from tissue to the lungs. and has Fe ions that gives blood the specific red color. and veins specific purple red color is given after oxygen is realesed to the tissue by oxihemoglobine ( at low ph and high temperature because at those conditions the hemoglobine capacity of bonding dicreases) .
Answer:
Don't know your answer choices, though if one of them is "Community Level" that is the correct one.
Explanation:
Found on other websites, and just completed a quiz with the same answer.
1.The nucleus of a cell allows it to perform its activities
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2.The cytoplasm of a cell includes organelles, which are structures that perform the functions the cell needs to live.
3.Cells are the functional units of living organisms.
4.The amount of material a cell needs to function is determined by its nucleus.
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The question is asking to state the atmospheric gas that has the greatest effect on weather conditions associated with an air mass and base on my research and further investigation, I would say that the answer would be Methane. I hope you are satisfied with my answer and feel free to ask for more