I would think most likely red and white
first line would be tT then the second one is tT
Answer:
The location of objects by reflected sound, in particular that used by animals such as dolphins and bats.
Explanation:
The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period.