. The hydrangea is an unusual plant: its blooms change colour depending on the pH of the soil.  If the pH is above 6, the flowers will be pink; below 5.5 they will be blue.  A landscape gardener planned a garden for a client.  The soil in the garden had a pH of 8.5.  The gardener planted the hydrangea bush, fertilized it well, and watered it regularly with water collected in a rain barrel.  The bush bloomed, but instead of the expected pink colour, the flowers were blue. a.      Suggest an explanation for this unexpected observation  b.      What type of salt could be added to the soil to make the

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A:

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A: question 8   blue light receptors trigger the following all the above

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Q: Hydroponics is

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Q: 11. Soil can be important in lessening the effects of climate change because:   soil can be a large…

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Q: state a research question that will directly address the farmer’s problem

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Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.