Drywall T-Square. A drywall t-square is essential for cutting and installing drywall panels. It is used primarily to provide a strait-edge along which to cut drywall using a drywall utility knife. Below are a few tips to look for when buying a drywall t-square. Drywall t-squares are basically two pieces of metal connected at right angles to one another.
[nurâ²chÉr]. a name given to a long-standing controversy as to the relative influences of genetics versus the environment in the development of personality. Nature is represented by instincts, and genetic factors, and nurture by social influences. 1  Facebook.
Nature and nurture. Variation is the raw material of evolution. Natural selection and other mechanisms of evolution work on the variation within a population â so without variation, there would be no evolution. However, there are two possible sources of variation: the environment and genes â in other words, nature and nurture. To understand these two components, imagine a field of corn plants with varying heights.