A Significant Reduction in the Amount of Which Gas Would

question 61

Multiple Choice

A significant reduction in the amount of which gas would allow more ultraviolet radiation to reach Earth's surface?

• A) oxygen
• B) methane
• C) ozone
• D) cyanide
• E) carbon dioxide

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Definitions:

Chemical Attractants

Substances that cause organisms to move toward them due to a chemical gradient, often used in cell signaling and navigation.

Haplodiploidy

A sex determination system in some insects where males develop from unfertilized eggs and are haploid, while females develop from fertilized eggs and are diploid.

Altruistic Behavior

Actions by an individual that benefit others at its own expense, often observed in the social behavior of animals.

Chemical Communication

The use of chemical signals for information exchange between organisms, critical for processes like pollination and mating.