Where do fronts always form? Fronts form over water and move inland.
Fronts form at boundaries between air masses.
Front form at high altitudes and descend toward Earth's surface.
Fronts form around locations with severe weather.

Label a-f based on the table using c for concentrated and d for dilute

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.