Why sometimes, even when we know the danger, we continue to do this matter, for example, you use a sharp tool, You know that it is possible to cut your hand if you continue to use this tool without changing the way you hold it, but sometimes you persist. In the end, you may hurt yourself, and you may be lucky. What makes you persist sometimes?

The fact that you have a task set in mind is something that can make you persist. The urge to satisfy your need to finish that task with the sharp tool is what drives you to persist with using the sharp tool knowing what could be the possible outcome of using it.

Explanation:

dna is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine).

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.