1. Draw a wave with a longer wavelength and the same amplitude as the wave shown. Then draw a second wave with a larger amplitude and the same wavelength as the wave shown.

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

a corroding iron, if that's one of your choices