20.4 21.3 are the correct answers
Answer: It to activate
Explanation:Mount St. Helens, Washington, is the most active volcano in the Cascade Range. Its most recent series of eruptions began in 1980 when a large landslide and powerful explosive eruption created a large crater, and ended 6 years later after more than a dozen extrusions of lava built a dome in the crater.
Answer:
The aquarium is now in sunlight, and there are more energy storage molecules in the plants and fish.
Explanation:
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This is called homeostasis
The correct answer choice which would be an environmental consequence of this is:
Increase in air pollution
<h3>What is pollution?</h3>
Pollution can simply be defined as the release of harmful or toxic substances to the environment which has adverse effects on the environment.
So therefore, the correct answer choice which would be an environmental consequence of this is:
Increase in air pollution
Learn more about pollution:
brainly.com/question/24704410
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