Answer:
Explanation:
for example addind electricity helps the community to do more work that would improve the function of the city or addind more factories would increase the production and the economy of the city
Mutation. this happens when a cell copies its DNA to divide. its more common than you may think, a "typo" occurs every 100, 000 or so nucleotides, thats about 120, 000 "typos" every time a cell divides.
I think that people have lost their jobs because of an increase of computers
I believe we obtain the cells of our test subject from DNA testing
hope it works!!
