Eruption with low silica tends to be nonexplosive. The type of lava is Basaltic, flows easily because of low viscosity (low gas content- originates in the mantle). This type of lava comes from shield volcanoes (low angle slopes and gentle)- eg. Manua Loa Volcano and Hawaii.
Answer: Map scale can be defined as the relationship that can be drawn in between the length of the map and the length of the ground.
Explanation:
The unit of the length on the map and the corresponding length of the ground is the map scale. The type of map scales:
Large Scale 1:25,000 or more
Medium Scale 1:1,000,000 to 1:25,000
Small Scale 1:1,000,000 or less
Small scale and medium scale can demonstrate large area for example a country or state whereas the large scale can demonstrate a small area like a city or region of city.
Answer:
1) option a) is correct.
2) option a) is correct
3) option b) is correct
4) option b) is correct
Explanation:
1) option a) is correct.
as the air rises the pressure decreases.
2) option a) is correct
in completely unsaturated atmosphere sky looks clear.
3) option b) is correct
when a parcel of air that is cooler than the surrounding air at all elevations then is the condition of absolute stability.
4) option b) is correct
During the Bergeron (Ice-crystal process) of precipitation, at the expense of surrounding super cooled liquid ice crystal grow large.
Madagascar is off the East coast of southern Africa
