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

Respuesta :

It should be A if I am not mistaken.

The human activities which is most likely to cause the excessive growth of phytoplankton the use of chemical fertilizers that are carried by runoff into rivers.

What are phytoplankton?

Phytoplanktons are the microalgae which is also known by the name microscopic marine algae, are generally found in the upper part of the water bodies.

These algaes are similar of terrestial plant. Growth of phytoplankton requires a suitable environment like sunlight and minerals. When the chemical fertilizers that we used in the soil will run off into the rivers due to any case like soil errosion, tsunami, etc.

Hence the use of chemical fertilizers that are carried by runoff into rivers.

To know more about phytoplankton, visit the below link:

https://brainly.com/question/844604