If a mutation results in an organism with new characteristics then eventually a new species will be formed if more such mutations will continue to accumulate in the individual. Mutations result into the accumulation of variations in an individual and when such variations keep on accumulating in a particular organism consistently it leads to formation of a new species or we can say that evolution has occured.
Your answer would be $4 times $y.
Hope this helps; have a great day!
I did this in my class a year ago and as far as i remember it was in the 1700 but i think 1767 to be exact
Answer:
B is true .. atmosphere always changes day by day
