You can do it just read it on your own and if u want me to answer it just inform me :)
On the macro scale, social structure<span> is the system of socioeconomic stratification </span><span>, </span>social<span> institutions, or, other patterned relations between large </span>social<span> groups. On the meso scale, it is the </span>structure<span> of </span>social<span> network ties between individuals or organizations.</span>
<span>Scientists use the SI system so they can compare information all over the world. They don't need to convert any units because people all over the world use it. Also, it's more accurate than the English system.</span>