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.
The interphalangeal articulations of the hand are the hinge joints between the phalanges of the hand (i.e. the finger bones). There are two sets (except in the thumb):  1 proximal interphalangeal joints (PIJ or PIP), those between the first (also called proximal) and second (intermediate) phalanges.  2 distal interphalangeal joints (DIJ or DIP), those between the second and third (distal) phalanges.