Answer:
Cold Fronts
Explanation:
Fronts are geograpghical terms that describes various boundaries between air masses of different temperatures.
There are frour different type of fronts, they includes:
1. Cold fronts
2. Warm fronts
3. Stationary fronts
4. Occluded fronts
However, from the question, the answer is Cold Front due to the following characteristics associated with cold front.
Cold front is term that describes the movement of front in which cold air is replacing warm air at the surface.
Some of the characteristics of cold fronts include the following
i. Cold fronts always move faster than all other types of fronts.
ii. Cold fronts is characterized by most violent weather among all types of
fronts.
iii. Cold fronts normally move the farthest while maintaining their intensity, while also associating with thunderstorms.
iv. Cold fronts usually bring cooler weather, clearing skies, and a sharp change in wind direction.
All the above characteristics are presented in the question. Hence, the answer is COLD FRONT.
Answer:
In a divergent plate boundary, two plates move away from one another. Due to this divergent movement of plates, seafloor spreading takes place in the ocean basin along the mid-oceanic ridge and rifting take place in the continental areas. Due to the stretching of the crust, the lithosphere becomes thin, and with more progressive spreading, it results in the eruption of magma at the seafloor. This magma is basaltic in nature, that reaches the surface due to the force exerted by the uprising magma forming convection cells in the mantle. This type of plate motion results in the expansion of the ocean basin and the rift valley in the continental areas forms seas and oceans with increasing time.
The rocks that are formed at the mid-oceanic ridge are the youngest as the magma cools and solidifies very rapidly here. With further moving away from this spreading center the age of the rocks increases.
The divergent plate boundaries are also responsible for the occurrence of deep-focus earthquakes, and it also leads to the formation of volcanoes in its adjacent sides.