Aplace is made up of blank characteristics and blank characteristics

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a.light in water b.light in vacuum c.sound in air. d. sound in water

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]

What would have happened to portugal’s trade if they had not found a way to sail around the tip of africa