In the russian federation, which official holds the most power? a. the duma b. the president c. the prime minister d. the monarch

[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

The graph below plots the temperature and luminosity of stars on the main sequence.

What is the difference between a tundra and a taiga?