The other events that most likely occurred during the same time period would be; An environmental change that did not favor the individuals in the population with the allele most likely led to the change in allele frequency; because the allele frequency decreased by so much, there would had to have been a decrease in the population within a three generation period of time.
<span>It means that they only act on certain types of substrates. Each enzyme is </span><span>specific in that they do not work for all molecules.</span>
Answer ;
A light year is the distance light travels in a year and an astronomical unit is the average distance between the earth and the sun.
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The answer is C. The first option is highly unlikely, the second option is impossible, and C is a much more likely answer than D.
