I believe the answer is gills
Fish's use gills to breathe, so tadpoles should use gills too
hope this helps
(got the info from a documentary i watched a couple years ago)
Earth isn’t likely going to be running out of gold for around 50-100 years
A. The gravitational force of the sun increased.
The gravitational pull increases as the mass increases
Change of odor, change of color, change of temperature, change of energy, or loss of heat
