The following bar graph shows the population of bacteria under different temperature ranges.
Bacteria population (miliona)
10
10 20 30 40 50
Temperature range (c)
What can be concluded about the bacteria from reading this graph?
O They prefer warmer temperatures to cooler temperatures.
They cannot tolerate temperatures above 50°C.
O They thrive at exactly 30°C.
O They prefer temperatures between 20°C and 30°C.