Paper was invented during the
1 chou dynasty
2 han dynasty
3 chin dynasty
4 shang dynasty

25. twelve tables

26. having important positions chosen by lot

incident infrared radiation is blocked. visible and ultraviolet radiation heat   earth.

earth radiates infrared radiation. infrared radiation is blocked and heats earth. visible and shortwave radiation heat earth.

earth radiates longwave radiation

longwave radiation is reflected downward longwave radiation heats earth

a best description that resulted a division among labor in the early farming communities in their period was there was a change in their society in terms of having social roles to develop and change that led complications and divisions in the society.

to tell the truth it is a mix of the a and d because after the romans argued among themselves outside forces took control however it is mostly d.