In conservation plowing, why are dead weeds and stalks of the previous year's crop left in the ground? a. to keep the soil from becoming too fertile b. to reduce the amount of seed needed for the next year's crop c. to retain moisture and hold the soil in place d. to keep more organisms out of the soil

The correct answer is option c.

Explanation:

Conservation plowing is a process or method to retain the soil quality for future agricultural practice and improve agricultural production. In this type of plowing the weeds and stalks are left in the process.

This help in prevention of the soil erosion as the weeds and stalks hold the soil of the agricultural land.

Thus, the correct answer is option C. to retain moisture and hold the soil in place.

b) chemical ( the chemical breakdown of food is accomplished by enzymes. )

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d. organisms have cells with different shapes and functions.