Answer:
Positive
Explanation:
Hydrotropism is how a plant responds to water in a growing way. Positive means towards and negative means away. Roots grow toward the source of moisture, making that relationship positive.
Answer: Chlorophyll is a substance inside the chloroplasts which is used to absorb light from the sun in order to provide the plant with energy to photosynthesise
Explanation:
It is both biotic and abiotic
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