When Only Synthetic Fertilizers Are Used on a Crop, the Quantity

question 20

Multiple Choice

When only synthetic fertilizers are used on a crop, the quantity used needs to be increased over time because ________.

• A)they are washed away by seasonal rains, but residual fertilizers remain
• B)organisms in the soil develop a resistance to these fertilizers
• C)more and more genetically engineered crops are being planted
• D)synthetic fertilizers provide no organic bulk

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Definitions:

Secretory Cells

Cells that are specialized in producing and releasing various substances such as hormones, enzymes, and mucus into the bloodstream or onto epithelial surfaces.

Alveolar Walls

Thin layers of tissue forming the boundaries of the air sacs (alveoli) in the lungs where gas exchange occurs.

Bronchi Inflammation

The swelling and irritation of the bronchial tubes, often leading to coughing, mucus production, and breathing difficulties.

Fibrous Connective Tissue

A type of connective tissue rich in collagen fibers that provides support and strength to various structures within the body.