Question

Q4: Which of these human activities is most likely to cause the excessive

growth of phytoplankton in the world's oceans? *

A.The use of chemical fertilizers that are carried by runoff into rivers.

B.The logging of old-growth forests, which results in erosion.

C.The spraying of chemical herbicides that reduce carbon dioxide in the air.

D.The mining of fossil fuels, which requires digging underground tunnels

Answer 1

C.The spraying of chemical herbicides that reduce carbon dioxide in the air.

Step-by-step explanation:

The rapid growth of a microscopic marine alga in North Atlantic is a result of environmental changes such as the increase of carbon dioxide levels in water, a new study found.

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