Which of the following sources of pollution decrease the oxygen level of water? Select the two correct answers.

animal manure

toxic metals

gasoline

plant fertilizer

radioactive substances

Plant fertilizer and animal manure are the following sources of pollution decrease the oxygen level of water.

Plant fertilizer Animal manure

Explanation:

These sources of pollutants incorporate sullying because of residential squanders, bug sprays and herbicides, nourishment handling waste, toxins from animal tasks, unpredictable natural mixes (VOCs), overwhelming metals, compound waste, and others.

It is regularly a worry as an outcome of contamination and eutrophication in which plant supplements enter a waterway, lake, or sea, and phytoplankton blossoms are energized. Additionally, amazingly high alkali levels in spillover from compost can slaughter fish.