7. The root structures on peanut plants that restore soil nutrients and fix nitrogen

Like other legumes, peanut plants improve the soil by adding nitrogen, even as they grow tasty, nutritious nuts for this season's harvest. But peanuts need help as they take nitrogen from the air and "fix" it into the soil via their root systems.

Explanation:

How Is Sound Produced?

Sound is a very important part of our life.

Sound helps us to communicate with another person.

Let's discuss some sounds in our daily life.

SOUND IS PRODUCED BY VIBRATIONS

The cover of the drum vibrates.

So, sound is produced when an object vibrates.

Sound is a form of energy which is produced as a result of the vibrations of an object.

Explanation: