What Is the Cause of the Following Symptom of Pollution

question 110

Multiple Choice

What is the cause of the following symptom of pollution? A lake is covered with a thick mat of green algae.

• A)Inorganic fertilizers were released nearby.
• B)Organic matter was released nearby.
• C)There is no oxygen in the water.
• D)Anaerobic bacteria are consuming most of the nutrients in the water.
• E)none of the above

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Definitions:

Protein Molecules

Complex molecules composed of amino acids that are essential for various biological functions in living organisms.

Chromosomes

Structures found within cells that contain genetic information (DNA) passed from one generation to the next.

Genes

Units of heredity made up of DNA that carry instructions for producing proteins that determine the characteristics of an organism.

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of deoxyribonucleic acid (DNA), carrying genetic information in the form of genes.