a. Earth's atmosphere is 100% oxygen. True or false
b. Mars is often called the "Black Planet". True or false
c. Jupiter is the largest planet.
True or false
d. Saturn's rings are made of gas.
True or false
e. Uranus has got ten moons.
True or false
f. Neptune's strongest winds are 1.200 km an hour.
True or false
g. Pluto is now know as a "dwarf planet".
True or false
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