The picture below shows Jackson's garden. image
Which of the following is the best way for Jackson to save water while still taking good care of his garden?

A. fix any leaks in the water spout or hose that drip when it is not turned on
B. move his plants to a different spot in his yard that gets more shade
C. use warm water instead of cold water when he waters his plants
D. water his plants in the afternoon instead of in the early morning

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"among the transition metal elements, manganese and zinc have a slight lowering of electronegativities. the reason behind this is that the nuclear charges of these elements are slightly weaker than the other transition metal elements due to the way their valence electrons are filled up. both manganese and zinc have their valence electrons filled up to the 4th shell with 1 pair of electrons (4s2) completely occupying it. although the electrons in the 3rd shell (3d) are yet to be paired since the outer most shell is filled up, the ability of the nucleus to attract electrons is lessened. hence,   the electronegativity (or the ability to attract electrons) is lessened."