Geography in attachment

[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

When you start from a given set of rules and conditions and determine what must be true you are using blank reasoning

One reason that madrid became the capital of spain is because of its