<span>The leading cause of impaired surface waters in the United States is: </span><span>Pathogens.
Pathogens (or germs) are what can
produce diseases.
There are different types of pathogens: Bacterial (most
bacteria are not harmful for the human kind, but pathogenic bacteria can cause infectious
diseases); Viral (a few examples are influenza, or smallpox); Fungal (these
usually consume dead organisms but some might be harmful for humans too);
Prionic (these do not contain nucleic acids and cause diseases like, for
example, the bad cow diseases); Algal (caused by a type of green alga known as
Prototheca that lacks chlorophyll); and other parasites. </span>
Answer:
courtship
Explanation:
courtship. The meeting of people as a romantic engagement.
Some cultures show express themselves creativity by dance, song, festivals, etc
Transnational is the answer. It is the example of foreign exchange systems that they allow the brokers and traders to interact anywhere the Globe. The transnational strategy is a global vision but they prioritize the trading in local markets and in the region.
