Answer:
The properties of the asthenosphere are:
1. highly viscous
2. mechanically weak
3. ductile region of the upper mantle of the Earth
Answer:
Solar energy.
Wind energy.
Geothermal energy.
Hydropower.
Explanation:
Solar energy, Wind energy, Geothermal energy and Hydropower are the renewable resources from which energy is produced and they will never run out because they are produce by nature in large quantity. Solar energy is the energy produced from the sun, Wind energy is the energy produced from the speed of wind, Geothermal energy is the energy produced from the heat of earth and Hydropower is the energy produced due to falling water from higher altitude.