What does the presence of the peat and soil layer in the glacial till tell you?

Why does lightning travel from clouds to the ground?

How can you improve the percent yield of copper in this lab? check all possible strategies that will you do so. measure reactants precisely. stir to the reaction take place. chill the reactants before combining them. wait patiently until the reaction completes. make sure to recover as much copper as possible.

Being able to see a square in the middle of the image despite not having lines to form a square represents the gestalt principle of a. proximity b. similarity c. closure d. continuity