What is the difference between solid contour lines and dashed contour lines on a topographic map?

its 42

i say its d?

not only is it colder, it also becomes darker, less salty, and more dense.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called