Write a short story about an Earth Day Celebration from a tree's point of view

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

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Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils