Which is regarded as a density-independent factor in the growth of natural populations?

In order to accurately determine absolute time, you need to know which of the following?

Statement best describes the main reason behind the establishment of government in the early river valley civilization‘s

Not all members of the radio audience of orson welles' war of the worlds broadcast panicked immediately. indeed, some didn't panic until they looked out of the window and saw empty streets; others didn't panic until they saw streets full of traffic. it was after checking out the situation that these citizens decided that the martians had indeed invaded earth. this example illustrates that contagion can result when people look to others for the interpretation of ambiguous situations . can result when cultural norms reinforce people's most likely responses. occurs primarily because humans are by nature irrational creatures. is especially likely when people are motivated to make independent decisions.