Dead zones are low-oxygen areas in bodies of water in which algae blooms have proliferated (when they die, the decaying process removes oxygen from the water), in part due to excess nutrients introduced when waters are contaminated with IFAP animal waste. What percentage of U. S. foodborne illnesses caused by seafood are attributable to algal toxins?

25%

Explanation:

Algal toxins account for about 25% of U.S. foodborne illnesses caused by seafood.

the answer is:

c. islam and christianity

explanation:

islam and christianity are widely practiced in africa. islam is practiced due to its spread from the middle east into africa, and christianity is practiced due to the colonization of africa by the british empire.

b. 20: 5

explanation:

20% of the worlds population lives in southwest asia, and less than 5% of the world's

land area.