A snake coming out of its hole in a dream represents a son. A snake leaving one's house in a dream means its destruction or demolition. Killing a snake in a dream means marriage. Tapeworms or other intestinal worms in a dream represent one's relatives and their children.
Single-phasing is a special type of open circuit fault in which only one phase of a three-phase system is disconnected, causing the remaining two phases to form a single-phase system [1]. Single-phasing may happen for a variety of reasons.
Sympatric speciation means that one population of one species became two species while in the same geographic region with no physical separation. This usually occurs because different inviduals of the same species begin to occupy a distinct niche and eventually become specifically adapted for that role.\\.