Question

Seeds should be sown at an appropriate depth and distance. Why?​

Answer 1

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Seeds should be sown at proper at proper distances to avoid competition for space and nutrients. They should be sown at proper depth so that they are not blown away or eaten by birds. seeds should be sown at a proper distance to avoid overcrowding, competition of minerals, roots getting mixed, etc.

Answer 2

Answer:

Hibiscus and periwinkle are gamosepalous flowers. Polypetalous: Flowers having free petals. Example: Rose and Camellia. Gamopetalous: Flowers have fused or united petals