On a weather map, which symbol on a line indicates a cold front? a. semicircle b. semicircles and triangles c. full circles d. triangle

What is the molecular weight of copper

What is the chemical formula for the compound formed between sodium and flour one

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.