What does the existence of the hadzabe prove?

Put these ecosystems in order of least biodiversity to most biodiversity 1. mediterranean forest 2. indonesian rain forest 3. arctic ocean

The figure is a square. its diagonals meet to form four right angles. what is the approximate value of x? 2.8 units 3.3 units 4.0 units 5.7 units

Identify the capital city of china at the time of the japanese invasion in 1937.japanese invasion of china, 1931-1937manchuria +beijing *chinananjing *shangai