The Earth's Average Temperature Is Based on Daily Measurements Taken

question 22

Multiple Choice

The Earth's average temperature is based on daily measurements taken from all of the following except:

• A) orbiting satellites.
• B) weather balloons.
• C) spectrophotometers.
• D) sea-surface buoys.
• E) transoceanic ships.

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Definitions:

Upwelling

The oceanographic phenomenon that occurs when deep, cold, nutrient-rich water rises towards the surface, promoting the growth of plankton and supporting marine ecosystems.

Phytoplankton

Microscopic plant-like organisms that float in water bodies; they are the primary producers in aquatic ecosystems.

Radioactive Isotope

An isotope of an element that has an unstable nucleus and emits radiation during its decay to a stable form.