Scientific notation 8.0 x 105 -9.2 x 105
-1.2x10-5
-1.2 x1010
1.2 x105
-1.2 x105

The choose 4.

I hope I helped you^_^

Organic matter composted with earthworms, often known as vermicompost, has been demonstrated in studies to have disease-suppressing qualities. The earthworms loosen the soil and enrich it with humus. As a result, they are known as farmer's pals. They help the crops grow healthier and over the time have earned farmers trust.

Explanation:

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