He resistance of a liquid to flowing is called

The denmark sound is a busy but water way

[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

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d