The speed of a sound wave depends upon the medium through which it travels. In general, sound travels faster through solids than through liquids or gases. Also, the denser the medium, the slower sound will travel through it. The same sound will travel at a different speed on a cold day than it would on a warm day.
10 pounds
10% of energy moves on through each trophic level so if a chicken ate 10 pounds of a producer that would be equivalent to the fox eating 1 pound of chicken. (10 times .1 = 1)
The process by which unspecialized cells become specialized into one of many different types of cells, such as neurons or epithelial cells.
As true pressure we denote the absolute pressure. <span>
Gauge pressure is the pressure above the ambient pressure </span>(it is zero-referenced against ambient air pressure). Absolute pressure <span> is equal to gauge pressure plus atmospheric pressure.</span>So, according to this the gauge pressure is always less than the absolute pressure.