Chapter 3: Sulfur Cycle

Question 1

Sulfur exists in ________ and is released into soil and water over time

Answer 1

Rocks

Question 2

Producers absorb sulfur through their roots in the form of ________ ____

Answer 2

Sulfate ions (SO4^2-)

Question 3

Natural source of atmospheric sulfur in the form of sulfur dioxide (SO2)

Answer 3

Volcanic eruptions

Question 4

Human activities that add sulfur dioxide to atmosphere

Answer 4

Burning fossil fuels
Mining metals (ex. copper)

Question 5

Sulfur dioxide is converted into sulfuric acid in the atmosphere when mixed with water, resulting in _______ ______

Answer 5

Acid rain