There Is Depletion of ______ in the Earth's Polar Regions

question 40

Multiple Choice

There is depletion of ______ in the Earth's polar regions.

• A) greenhouse gases
• B) air quality
• C) the ozone layer
• D) the sea level

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Definitions:

Short-day Plant

Plants that require long nights (short days) to induce flowering.

Poinsettia

A plant with red and green foliage, often associated with Christmas.

Cryptochrome

A class of flavoproteins that are sensitive to blue light and are involved in the circadian rhythms and photoperiodism in plants and animals.

Clock Protein

A component of the circadian clocks of organisms, involved in maintaining the biological rhythm according to a 24-hour cycle.