Question

1. make a claim about the cause of the hypoxic conditions resulting in a dead zone in the gulf of mexico. provide ev - nitrogen levels in the mississippi river and its tributaries remain high throughout the year. - hypoxic conditions in the gulf of mexico are seasonal and are most prominent in the summer. - hypoxic conditions in the gulf of mexico are not seasonal. claim evidence - nitrogen levels in the mississippi river and its tributaries are seasonacy highest in the spring and early summer. reasoning

Explanation:

High nitrogen levels in the Mississippi River and its tributaries, which are highest in spring and early - summer, contribute to hypoxic conditions in the Gulf of Mexico. Since these nitrogen - related inputs are seasonal and hypoxia is most prominent in summer, the hypoxic conditions are seasonal.

Answer:

The claim is that hypoxic conditions in the Gulf of Mexico are seasonal and are most prominent in the summer. The evidence is that nitrogen levels in the Mississippi River and its tributaries are seasonal, highest in the spring and early summer. The reasoning is that the input of high nitrogen from the river system, which peaks in spring and early summer, leads to the seasonal development of hypoxic conditions with the peak in summer.