Look at the graph.
Changing Energy Needs
Hunter-gatherer
5,000
Early agriculture
12,000
Pre-Industrial
agriculture
26,000
Post-Industrial
agriculture
70,000
Modern Industrial
230,000
Energy use per person per day (kilocalories)
The greatest increase in energy use occurred between which two stages of society?
O early agricultural and pre-industrial agriculture
O pre-industrial agricultural and post-industrial agricultural
O hunter-gatherer and agricultural
post-industrial agricultural and modern industrial
Answers: 2
Biology, 22.06.2019 01:50
Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?
Answers: 1
Biology, 22.06.2019 11:00
Which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton
Answers: 2
Look at the graph.
Changing Energy Needs
Hunter-gatherer
5,000
Early agricultur...
Hunter-gatherer
5,000
Early agricultur...
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