The reason why we know less about Harappan civilization than
about Egypt or Mesopotamia is because the researchers or historians was not
able to learn about this civilization and the writing system of which these civilization
has, is hard to figure out because of their own writing system.
They caused to value individualism.
The correct answer is Opportunity theory
Explanation: Problem-oriented policing is a modern policing strategy that directs police activities to identify repetitive police problems, analyze their causes, solve them and evaluate the results achieved
Biogas is a renewable, as well as a clean, source of energy. Biogas plants significantly curb the greenhouse effect: the plants lower methane emissions by capturing this harmful gas and using it as fuel. Biogas generation helps cut reliance on the use of fossil fuels, such as oil and coal.
He was a wealthy West African emperor (1312-1337) 25 years of ruling.