What structures do some protists use for locomotion

What do you think car designers do if the damage caused by a crash test is too severe?

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present

You can melt ice by applying pressure because the solid/liquid line has a slope.