The function of the respiratory system is to move two gases: oxygen and carbon dioxide. Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them
Substrate Concentration I believe
Answer:
Humanitarianism, compassion, and idealism
Explanation:
90 is a number of Humanitarianism, compassion, and idealism the numerology number 90 is a number of humanitarianism, compassion, and idealism. it is a number of philanthropy and tolerance.
Answer:
2 meters
Explanation:
on the table, the number to the left of 24 is 2, showing its 2 meters in 24 seconds
Answer:
Early cyanobacteria in stromatolites are thought to be responsible for increasing the amount of oxygen in the primeval Earth's atmosphere through their continuing photosynthesis. They were the first known organisms to photosynthesize and produce free oxygen.
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