The Railway Recruitment Board (RRB) Group D examination comprises of subjects such as arithmetic, general intelligence and ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

A number of readers have inquired as to the status of garden soil or landscaped ground following a fire.

these are the wood or xylem, and the phloem or bast. Usually, the sieve-tubes of the phloem have been regarded as the channels of sugar transport, as micro-chemical observations, such as those of ...