<span>It is usually the + strand and the - strand. It can be quite a bit more complicated.</span>
<span>The way goods and services are produced, distributed, and consumed in a society mean a consumpation of goods and the supply of a money, that talks about economy, so the answer is C: economy.</span>
You didn't really provide the required table. But as a general hint, you should look at the differences between the two groups and then you can see what were the differences in amount of weight gained, amount of body fat, as well as the composition of the microbial community.
The studying a system of word used things in a particular discipline called terminology