Which of the following can lead to the formation of an ocean dead zone? choose one or more: o phytoplankton blooms o overfishing o increased salinity o loss of nutrients in the water o ocean upwelling

1. phytoplankton blooms

Explanation:

Permanent dead zone i.e the rarely exceed 2 milligrams per liter.

Temporal dead zones i.e the short-lived dead zone that lat flour hours a day.

Seasonal dead zones occur annually mostly in the summer months.

The hypoxic zone that occurs in the night time.

The baltic seas, Chesapeake bays, Lake Erie, and the other zone are affected by these blooms of algae and other foreign substances.

the proximity of water was an advantage to western europe and its culture was able to flourish as a result. trade and travel by sea were easier and safer in historical times.

1. there are no mountains to protect it from the sea

2. and its has wet cool summers and wet, mild winters.