Secondary curvatures in the infant result from reshaping or modifications of the

Secondary curvatures at birth is Cervical and lumbar that result from reshaping of the intervertebral discs rather than from modifications of the vertebrae  Cervical curvature at birth; Present before birth, but not pronounced until the baby starts to lift its head. 

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

not only is it colder, it also becomes darker, less salty, and more dense.