B. Because there is a little helium gas mixed with soap bubbles. C. Because the machines used to make them are special and expensive. D. Because the soap used to make them comes from plants and leaves. 3.From the passage, we can infer that Flogos ___. A. can fly for hours...
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” my grandmother encouraged me to read anything and everything I wanted. She promised to buy me any book I asked for, and so, even though she didn’t personally care for science fiction, she bought me many of theStar TrekandStar Warsnovels I read as a kid when I was supposed to be...
These elements, heavier than hydrogen and helium, have all originated in the deaths of stars and have been blown into space. The more generations of stars there are, the more enriched in chemical elements the ISM becomes over time. How far away is interstellar space? The boundary to ...