Flushing away industrial,/household waste with fresh water causes __ and is unsustainable. (OPTIONS: purification , biomagnification,biodiversity, pollution,decontamination) __

## Step 1<br />The problem is asking us to identify the negative consequence of flushing away industrial and household waste with fresh water. The options provided are purification, biomagnification, biodiversity, pollution, and decontamination.<br /><br />## Step 2<br />We need to understand the meaning of each term:<br />- Purification is the process of removing impurities from a substance.<br />- Biomagnification refers to the increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain.<br />- Biodiversity is the variety of life in a particular habitat or ecosystem.<br />- Pollution is the presence or introduction into the environment of a substance or thing that has harmful or poisonous effects.<br />- Decontamination is the process of making an area or object free from contamination.<br /><br />## Step 3<br />Given the context of the problem, which is about the negative impact of flushing away waste with fresh water, the term that best fits this description is pollution. When industrial and household waste is flushed away with fresh water, it can contaminate the water, leading to pollution.