The U.S. has one of the highest, if not, the highest obesity rate in the world.
The answer is C. They destroy the ozone layer
The correct answer is: marsupials.
Marsupials are actually defined by their ability to hold the young in the pouches, where they can be well protected. Some examples are Kangaroos and Koalas.
Other answers are wrong: for example, gymnosperms are plants, not animals.
Answer:
introduces substances into an environment
Explanation:
eutrophication is just a bunch of algae in a pond or source of water. pollution is bad materials in the air. smoke and algae are substances in an environment.
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The most appropriate answer is D !
in respiration oxygen and glucose( food substance) combines to form energy and CO2 !
