The right answer for the question that is being asked and shown above is that: "<span>a. some are spotted or speckled"
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The right answer for the question that is being asked and shown above is that: "b nature's beauty." both "Pied Beauty" and "Spring and Fall: to a Young Child" suggest a sense of <span>b nature's beauty </span>
Have* this is because has* is past tense and have is more appropriate since there are multiple things you are referring too (Mercury, Venus, Earth and Mars). To be honest, these planets have a molten core.