The Thermocline Is the Layer in a Lake at Which

question 46

Multiple Choice

The thermocline is the layer in a lake at which

• A) pollutants are trapped and held
• B) the warm upper zone meets the cold lower zone
• C) nutrient levels are the lowest
• D) light no longer penetrates enough for photosynthesis to occur
• E) the oxygen level is the lowest

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Definitions:

Pain Injection

A medical procedure involving the administration of medication through a needle or syringe to relieve pain.

Vial

A small container, typically cylindrical and made of glass, used for holding liquid medicines.

Syringe

A medical device used to inject fluids into, or withdraw them from, the body.

Oral Medication

Medicines taken by mouth to be absorbed through the digestive system.