Briefly explain the importance of the following to early river valley civilizations from 3500 - 450 B.C. 8.Mandate of Heaven

Briefly explain the importance of each of the following. PCBs

In a certain steam engine, the boiler temperature is

$$127 ^ { \circ } \mathrm { C }$$

and the cold reservoir temperature is

$$27 ^ { \circ } \mathrm { C }$$

. While the engine does 8.34 kJ of work, what minimum amount of heat must be discharged into the cold reservoir?

Briefly explain the importance of each of the following. yurt

Briefly explain the importance of the following to early river valley civilizations from 3500 - 450 B.C. 6.hieroglyphics

Briefly explain the importance of the following to early river valley civilizations from 3500–450 B.C. 1.Fertile Crescent

Briefly explain the importance of each of the following to early river valley civilizations from 3500–450 B.C. 3.polytheism

Briefly explain the importance of the following to early river valley civilizations from 3500–450 B.C. 3.polytheism

Briefly explain the importance of each of the following to early river valley civilizations from 3500–450 B.C. 5.pharaoh

Show that $\mathscr{Z}\left\{a^{k} \sin k \omega\right\}=\frac{a z \sin \omega}{z^{2}-2 a z \cos \omega+a^{2}} \quad(a>0)$

Briefly explain the importance of the following to early river valley civilizations from 3500–450 B.C. 3.polytheism

Briefly explain the importance of the following to early river valley civilizations from 3500–450 B.C. 1.Fertile Crescent

The length of a rectangular park is 56 yd. The width is 48 yd. How many yards of fencing are needed to surround the park?

What event or development in early human history do you think is of particular significance? Why?