A vast, flat,treeless arctic region of Europe,Asia,&& North America in which the subsoil is permanently frozen.
Answer:
(C) Temperature, pressure, and the original type of rock.
Explanation:
The spread began in the 7th to 9th century, originally brought to North Africa under the Umayyad Dynasty. Trade networks were extensive, spanning through north and west Africa which created a medium in which islam peacefully spread through the merchant class.
Answer:
As given below.
Explanation:
1. <u>False</u>, as the number of daylight hours on the globe are mapped by the location f places over the various latitudes and altitudes. And the sun is not with the same both rise and set at both the hemispheres.
2. <u>Yes</u>, there exist changes of 12 hours in sunlight and darkness on earth due to the rotational speed of the earth on its axis as the earth is tilted 23.5 degrees so in both the hemisphere there exists equinoxes and solstices.
3. <u>True</u>, as the known fact the earth rotates in anticlockwise direction hence the eastern side gets to see the sun first and western side later this rule applies everywhere in the earth on both the equinoxes.
4. <u>True</u>, The celestial poles and equator are two points on earth that represent the equinoxes and the point that falls directly over the poles is called the zenith and the plane that touches is called the galactic plane.
