Answer:
Explosive and effusive eruption types resulting from the activity of magma composition, temperature, water content and volatile content.
Explanation:
Magma Silica content composition being above 60% will result in violent eruption. High temperature will result in low viscosity and low temperature in high viscosity. Explosive eruptions are propelled by magma and motivated by gaseous activity. Effusive is characterized with lava outflow without explosive activity. Examples of this effusive eruptions are those of the Hawaiian eruptions. Plinian eruptions are known to be explosive, violent and dangerous. 
 
        
             
        
        
        
Answer:
measuring the loss of ice in the nunavut region around the arctic circle
Explanation:
it is the closest country greenland with it's many frozen islands in nunavut
 
        
                    
             
        
        
        
Following are the correct options for this question: 
- Build more windmills
- Develop cost-efficient solar energy
- Improve gas mileage in cars
- Reduce the use of nonrenewable energy sources
Any undesirable change occurs in the air due to addition of pollutants is called air pollution. The major air pollutants are sulfur dioxide which is released from the combustion of fossil fuels like coal, petroleum and from factories. Bedsides, sulfur dioxide dust and smokes are other pollutants. Building of more wind mills and developing low cost solar energy will reduce air pollution as they will provide clean energy and will reduce dependency on coal burning in thermal power plant. Improving as mileage in cars will also reduce emission of sulfur dioxide, hence reduce air pollution. Building of more wind mills and developing low cost solar energy are renewable source of energy, will reduce use of nonrenewable energy sources such as fossil fuels.