The ________ were the first producers of substantial amounts of oxygen
Fill in the blank(s) with the appropriate word(s).
Answer: anaerobic bacteria
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Advantages that white people have beyond what is commonly experienced by people of color—such as the ability to go most anywhere without fear of being followed or harassed—is known as
A) white privilege. B) white supremacy. C) a right of passage. D) intersectionality. E) discrimination.
When air temperature increases, which of the following happens to the saturation vapour pressure?
A. It remains the same. B. It keeps increasing and decreasing. C. It increases. D. It decreases.
Which two gases are primarily responsible for the greenhouse effect because of their ability to absorb infrared energy?
A) oxygen and hydrogen B) ozone and dust C) nitrogen and oxygen D) water vapor and carbon dioxide
Which of the following hydroxyaldehydes can be converted to a hydroxyketone through tautomerism?
A) 2-hydroxybutanal B) 3-hydroxybutanal C) both a and b D) neither a nor b