The danger signs of the effect of acid rain on an aquatic system are the beginning of the extinction of the aquatic species, the heath of trees, and disruption of wildlife. Ultimately that affects all of human life.
well the pH level of the water
to warn of a possible danger ahead.
Danger signs are always triangular, on any roads and motorways in France.
The first one is probably death but the rest...
The Home Depot, also referred simply as Home Depot, sells different types of danger signs. Depending on content and size, their price is between around $2 and $20.
no OPEN signs XD
Regulation or regulatory signs are the signs along the highway that are black and white in color. Think of speed limit signs. These signs indicate a law or regulation, whereas yellow signs are cautionary signs. They indicate a possible hazard or danger. Brown signs or green signs are generally information, blue indicate travel services or accomodations.
The earthquakes in the hours leading up to the eruption.
to warn of a possible danger ahead.
Not in the sense that it will have no effect, as in immunity to measles.Tolerance -- meaning that it takes more drinking to feel the effects -- does increase, and is one of the first signs of a developing addiction to alcohol (alcoholism). Note: it is not a "danger sign," it means that addiction is happening.
doctrine means the body of teachings of "belief system" Doctrine of signs is actually science of signs.
The undertow of water can cause a funnel effect which could pull a swimmer under the surface of the water. The flow of the water increases in strength until the person can not break away from the funnel effect. Most beaches and surf lines that have undertow channels will post signs warning simmers, surfers and boaters of the potential danger.