For ideal plant growth, soil needs the proper pH level. pH is a measurement of how acidic or alkaline material or substance is. Soil pH signifies a plant's ability to draw nutrients from the soil. pH is measured on a scale of 1 to 14 with a measurement of 7.0 considered neutral.A number below 7 is acidic (sometimes called sour) and above 7 is alkaline (sweet).H is a measurement of how acidic or alkaline material or substance is. Soil pH signifies a plant's ability to draw nutrients from the soil. pH is measured on a scale of 1 to 14 with a measurement of 7.0 considered neutral.
Quick Answer. Ambidexterity refers to being equally adept in using both right and left hands. This ability is the most readily recognized variety of cross-dominance. Only 1 percent of the population is naturally ambidextrous. Continue Reading.
Pronation/Supination. Pronation and supination are a pair of unique movements possible only in the forearms and hands, allowing the human body to flip the palm either face up or face down. The muscles, bones, and joints of the human forearm are specifically arranged to permit these unique and important rotations of the hands.