Answer:
B. By taking in inorganic substances
Explanation:
When you think of autotrophs, you may think of plants, and how do plants get nutrition?
By taking in inorganic substances like carbon dioxide or sunlight, then converting it into energy.
A reflex is a built in operation that performs without orders from your mind.
A habit is something you as a person forms and we can train our minds to stop the habit.
We produce carbon dioxide, plants take it in for photosynthesis.
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The beginning products (plants take these in to start photosynthesis) are h2o and co2
(Water and carbon dioxide )
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So you could say carbon dioxide is a beginning product in photosynthesis.
Hope this helps!
