Why do few people live in the desert and yucatan peninsula regions?

Explain the cause for movement river valley civilization to early industrial centers

Select the correct answer from each drop down menu. among these figures figure and blank have the same volume. 1 a c e 2 b d

[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