What are two ways radio waves and x rays are alike and different

They are both electromagnetic radiation, with different wave lenght and frequencies
 difference
x rays can penetrate and radio waves give out signals 
x rays also have higher frequencies

They are both electromagnetic waves.

They are both transverse waves.

They both travel at a speed of 3 *10⁸ m/s

They have different frequency. x rays have higher frequency.

They have different wavelength, x rays have shorter wavelength. 

C: plants and animals