Galileo improved the telescope and made important historic observations, including discovering four moons of . A. Mars B. Jupiter C. Saturn D. Neptune

B: Jupiter

Step-by-step explanation:

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step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

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