LINK / CITE ADD TO WORD LIST. adjective. The definition of harmful is something that causes damage or is able to be hurtful. A chemical that causes you to become sick is an example of a chemical that would be described as harmful. causing or able to cause harm; hurtful. adjective.
The most common way to become infected with giardia is after swallowing contaminated water. Giardia parasites are found in lakes, ponds, rivers and streams worldwide, as well as in municipal water supplies, wells, cisterns, swimming pools, water parks and spas. Ground and surface water can become contaminated from agricultural runoff, wastewater discharge or animal feces.
Moldavite is considered the only gem to be from space. Moldavite was found in the Bohemian sites near the Moldau River Valley, north of Prague, Czech Republic and are believed to have come from a meteorite crater in Germany. Thus, they were named after the location and the surrounding areas.oldavite is considered the only gem to be from space. Moldavite was found in the Bohemian sites near the Moldau River Valley, north of Prague, Czech Republic and are believed to have come from a meteorite crater in Germany. Thus, they were named after the location and the surrounding areas.