In the daytime, you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows ______.A.a black ballB.a black coneC.two black conesD.a basket
In the daytime, you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows ______.
A.a black ball
B.a black cone
C.two black cones
D.a basket
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