What two factors affect grapes ripening?

Question

BlackTom AI · Accepted Answer

When evaluating what two factors affect grapes ripening, we should consider the core processes that drive ripening in fruit.
Option a: water and soil. While water availability and soil conditions influence grape health and growth, ripening is more directly driven by energy from light and warmth; this choice misses the primary abiotic drivers of ripening.
Option b: heat and water. Heat is relevant because temperature speeds metabolic rates and sugar accumulation, but water alone does not account for the light-driven processes like photosynthesis that contribute to ripening; this pairing omits sunlight itself.
Option c: sunlight and heat. This pairing captures the essential drivers: sunlight powers photosynthesis, enabling sugar production and fruit development, while heat accelerates chemical reactions and ripening processes. Together, they are the principal environmental factors influencing grape ripening.
Option d: sunlight and soil. Although sunlight is important, pairing it with soil rather than heat ignores the role of temperature in speeding ripening reactions, making this combination incomplete for describing the main factors involved.

What two factors affect grapes ripening?

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