Which of these choices is true about any map that shows the entire world? Land is always brown, and the ocean is always blue.
o Lines of latitude and longitude are always perpendicular.
Some distortion exists somewhere in the map.
The map is always rectangular.

What is the maximum number of electrons that an atomic orbital can contain?

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

How is the way a mixture is combined different from how a compound is combined?