Examlex
Solve the system of equations by using the addition method.
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Extinct
A status describing species that no longer exists anywhere on Earth.
Amphibians
Cold-blooded vertebrates that include frogs, toads, salamanders, and newts, known for their ability to live both in water and on land during different life stages.
Atmospheric CO₂
The concentration of carbon dioxide in Earth's atmosphere, a crucial factor influencing climate change and global temperatures through the greenhouse effect.
Keystone Species
A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
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Q35: A matrix with the same number of
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