Answer:
4cm because the wavelength is the measure of a distance between two identical peaks or Crest
Lungs
Amphibians are known to be animals which can survive both on land and in water. They can walk on land and have limbs to swim. However, they do not have gills to breath but can only breath directly from air through lungs while bony fish have fins to swim in water and can breathe through there gills and filter oxygen from water.
Im only doing this for a challange sorry
