Biology
As an infant, the ability to produce antibodies is

Limited
The same as an adult
About 80% of that of an adult
Nonexistent

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Biology
Which statement describes decomposers?

All listed here
Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems
Decomposers can produce their own source of energy and can sometimes act as primary producers
Decomposers are those organisms that recycle matter in the ecosystem

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