AM radio waves can travel a short distance in sea water If the Am radio wave has the frequency of 3.0x10^5Hz what is thr speed of this wave in sea water show step by step the work.

Alpha particles have positive charge, beta particles have negative charge, and answer 4 just doesn’t make sense. thus, you are left with only one possible answer.

Rn in the right answer

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

H tricky one let me think and get back to u