4 Select the correct answer.
John's grandparents make wine for special occasions. They add a pinch of yeast to crushed grapes. Over time, this action releases carbon
dioxide, and the result is a homemade wine. What chemical process do the grapes undergo?

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in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

answer: b

coz red blood cells marrow and circulates the body for 120 days.