Dating uses the properties of atoms in rocks and other objects to find their ages.
a. comparative
c. approximate
b. absolute
d. relative

b. Absolute

Absolute dating is a process of determination of the age of the object like rock or once existing living organisms on the basis of the radioactive decay of atom or radioactive isotope. A radioactive counter is used that detects the amount of high energy particles emitted by the disintegration of the radioactive atoms in a geological material. It tries to find out the chronological age of the past events on the basis of the preserved fossil remains.

well we can't tell you because we cant see the time give a screen shot or something.

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.