Examlex
A block of material of mass m and specific heat c falls from height h and reaches speed v just before striking the ground. Its temperature is measured immediately after it strikes the ground. If we ignore any change in temperature owing to interaction with the air, the change in temperature of the block of material is:
Shifting Cultivation
A form of agriculture where an area of ground is cleared, cultivated for a few years, and then abandoned for its fertility to naturally replenish.
Early Hunter-Gatherers
Human societies in the Paleolithic era who subsisted by hunting wild animals and gathering plant foods, without engaging in sustained agriculture.
Population Size
The total number of individuals within a specific area or group at a given time.
Environmental Impacts
The effects of human activities on the natural environment, which can include pollution, habitat destruction, and climate change.
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