Answer:
The formula for density is the mass of an object divided by its volume. In equation form, that's d = m/v , where d is the density, m is the mass and v is the volume of the object. The standard units are kg/m³.
Answer:1. alternating
2. direct
3. reservoir
4. Solar cells
5. The sun heats up the atmosphere as Earth spins, creating areas of high and low temperature. This temperature difference causes the wind to start moving through convection, which can then drive a wind turbine to produce electricity.
Answer:
Natural hazards are extreme natural events that can cause loss of life, extreme damage to property and disrupt human activities. ... Other natural hazards, such as tornadoes, can only happen in specific areas. And some hazards need climatic or tectonic conditions to occur, for example tropical storms or volcanic eruptions. Example of natural hazard:weather, volcanic eruption, tsunami, thunderstorm, etc.
