Heating from __________ Causes the Top of the Earth's Stratosphere

question 21

Multiple Choice

Heating from __________ causes the top of the Earth's stratosphere to be warmer than the bottom.

• A) higher-energy particles in the solar wind
• B) convection
• C) the ozone layer absorbing UV light
• D) charged particles trapped by magnetic fields

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Definitions:

Calcitonin

Calcitonin is a hormone produced by the thyroid gland, involved in the regulation of calcium levels in the blood.

Lymphatic

Pertaining to the lymphatic system, which is a part of the circulatory system and a vital defense in the immune system, including lymph nodes, vessels, and fluids.

Immune Systems

The complex network of cells, tissues, and organs that work together to defend the body against pathogens and other foreign substances.

Osteoporosis

A condition characterized by weakened bones, making them fragile and more likely to break.