Which Communist Cambodian leader or movement caused the death of 1.7 million people through disease, starvation, and execution?

Which cooling process in the atmosphere is responsible for the formation of most clouds (and nearly all clouds that produce precipitation) ?

Which Senate from Washington Irving short story the Devil and Tom Walker is an example of indirect characterization

What are the two current major approaches to detecting extrasolar planets indirectly?

As the flames heat the gases in the balloon the volume of the gases increase at constant pressure the volume of all gases increases with increasing temperature. is this a scientific theory or law? explain

Which is the ocean is the largest

What is the Trans-Siberian Railroad? a. the world's longest continuous railroad line b. the major link between Moscow and Europe c. the best way to travel between Russia and Afghanistan d. the shortest railroad in Siberia

What are the 4 different fields of study of Earth's systems?

What are the possibilities for responding to climate change and who has power over the decision-making process

2³+√25*3-4²:√4 it math

What is the name of a city that is located at 39 degrees north and 75 degrees south?