yarn over hook = yoh. They both mean exactly the same thing and in this Video Tutorial I show you how to do a yarn over or yarn over hook using two ways; either with your left hand or your right hand.
Nitrogen (N) is essential for plant growth and is part of every living cell. It plays many roles in plants and is necessary for chlorophyll synthesis. Plants take up most of their N as the ammonium (NH 4 +) or nitrate (NO 3 -) ion.
Importance of air. 1. Essential supplier of energy: All living beings including plants & animals are dependent on air oxygen for generation of valuable life energy. Body cells take up oxygen from blood and generate energy from food in the form of ATP. This biochemical generation of ATP is a basic requirement to sustain life on earth.