Biology
Bat can fly in dark because they

Have sharp eyes
Have strong wings
Produce ultrasonic wave
Are nocturnal

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Biology
Which statement describes decomposers?

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

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