The nucleus is the organelle in the cell that contains the organism's DNA. DNA is the genetic material that contains the instructions for the cell's development...
The Cold War was a period of political and military tension between the United States and the Soviet Union, which lasted from the end of World War II...
The passage states that during a severe drought, earthquakes, and floods, people of the Indus Valley began to abandon their cities and settlements around 1900 B...
Biotechnology is not a way to mitigate human impact on the ecosystem. Biotechnology is the use of living organisms or their products to modify human health...