The processes of photosynthesis and cellular respiration both involve exchanges of two gases-oxygen and carbon dioxide—with the atmosphere. How does the exchange of gases compare between the two processes?
A. Both processes remove carbon dioxide and oxygen from the atmosphere.
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B. Both processes add carbon dioxide and oxygen to the atmosphere.
C. Both processes add carbon dioxide to the atmosphere and remove oxygen from the atmosphere.
D. The gas that
added to the atmosphere by one process is removed from the atmosphere by the other process.

In this experiment you were asked to present three possible mechanisms. describe those mechanisms here and include drawings of those mechanisms. how will the bromination of trans-cinnamic acid and trans-stilbene allow you to distinguish between the three possibilities? what would you expect to find in your data in each scenario?

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”