Microbial Activities in Rice Paddies Increase the Release of Methane

question 48

Multiple Choice

Microbial activities in rice paddies increase the release of methane. What will happen if the rice paddies are drained and aerated?

• A) More methane will be released.
• B) Increased carbon dioxide production.
• C) No change in the amount of methane generated.
• D) All the methanogens will die.
• E) Rice roots will absorb the methane.

---

Definitions:

Outermost Shell

In chemistry, refers to the valence shell, which is the outermost shell of electrons in an atom and determines an element's chemical properties.

Positively Charged

Having a net electric charge due to the loss of electrons.

Electronegativity

A measure of an atom's ability to attract and hold onto electrons within a chemical bond.

Atomic Number

The number of protons in the nucleus of an atom, defining the element's identity.