How might stem cells most likely be used in the future to treat human disease? A.
Stem cells could be used as vectors to insert genetic information into human DNA.
B.
Stem cells could be modified to produce chemicals that kill bacteria and viruses.
C.
Stem cells could potentially be used as a source of renewable healthy cells and tissues.
D.
Stem cells could be used to prevent genetic mutations that occur at birth.

c. movement because i took the test and it lets me review my answers

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.