50 miles/2 hours
25 miles per hour or mph
Hope this helps!
Water goes downhill and the earth isn't Very spherical so it'll have ways for the water to go down and up to distribute the water around the world.
Origin of species by means of natural selection
You could talk about a Salamander.
Salamanders are anphibians just like frogs, and they have many of the same characteristics.
Hope I helped! Good Luck in this assignment! :)
D - Enormous energy requirements