Answer:
The greater the amount of silica in magma, the more viscous the magma is. The magma thus solidifies quicker as well.
Answer:
Angle S, Angle T, Angle R
It changed so much because there were always European explorers heading out on voyages, for many reasons (like to trade with neighbouring countries, ferrying people from one land to the other, etc). During those voyages they found new lands, and so the maps had to be revised quite often because of these new discoveries.
Answer:
1- Option (C)
2- Option (A)
3- Option (B)
Explanation:
The warm ocean currents are responsible for the transportation of warm and moist air to the coastal region, whereas the cold ocean currents are responsible for carrying the cold and dry air to the nearby coastal areas.
Therefore, the region (1) will experience a cold and dry type of weather.
The stratosphere is the layer that is just above the troposphere and extends from a height of about 10 to 50 km above the ground surface. Here the temperature increases with the increasing height due to the presence of Ozone layer (O₃) that absorbs the incoming solar radiations.
Troposphere is the interior layer of the atmosphere that extends from the ground surface up to a height of about 10 km. Here, the temperature decreases with the increasing altitude. The air near the ground surface is compact and dense, due to which the temperature remains high. As the warm air rises up it interacts with the cold air that is situated over the warm air. Due to this, the air cools down and sinks to the bottom.
Hence, the correct answers are mentioned above.
