Answer:
An autotroph is a cell that is capable of producing its own energy using photosynthesis or, less commonly, chemosynthesis.
A heterotroph is a cell that must consume its energy from external sources, for instance, hunting for prey or eating autotrophs.
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Answer:
It has oppistely charged ends
The correct answer is true.
Hope that helps, even though I am late.
Answer:
Sound Waves travel fastest through the Solid medium which is why Option 1 would be correct!
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