Why isn't the moon considered to be a planet

After an earthquake, in what order are the different types of seismic waves recorded by a seismograph

The people living in ancient Sumer were forced by heavy annual flooding to build a series of dikes and canals. What was one result of the coordinated labor necessary to achieve this goal? A.

Which variable stars have pulsation periods between 1.5 hours and 1.2 days? A. Protostars B. Cepheid variables C. RR Lyrae variables D. Nebulas

Which two states contain the bulk of the ozark mountains?

What large island which is also part of the Antilles does Jamaica, an island of the Antilles Group, lies south of?

Which state has four times as many cows as people?

How far north did Islam spread in 1600s

What might have happen in south Asia if the Mughal empire had not declined

Which term describes the rising of cold water from deeper layers to replace warmer surface water?

Can you find the population density of the largest city in germany?