Answer:
Geography helps us understand basic physical systems that affect everyday life: How water cycles and ocean currents work are all explained with Geography. These are important systems to monitor and predict in order to help lessen the impact of disasters
Answer:
Option (C)
Explanation:
Migmatite can be defined as metamorphic rock that is formed at high pressure and temperature condition, depicting pro-grade type of metamorphism. This rock is formed from the partial melting of unaltered minerals or those minerals that are slightly modified. But in this process of formation, the bulk mass of the rock remains consistent. It is a transitional rock between the igneous and the metamorphic rock.
Thus, the correct answer is option (C).
Answer:
X-rays don't reach the surface of Earth
Explanation:
- Due to the atmospheric absorption, the X-ray telescopes must be placed in the orbit to a higher altitude of 86,500 miles and as to detect the penetrating X rays that are used to study the soft radiation and to get a clear view of the universe.
Answer:
In 1999 an American survey, sponsored by the (U.S.) National Geographic Society and others, took precise measurements using GPS equipment. Their finding of 29,035 feet (8,850 metres), plus or minus 6.5 feet (2 metres), was accepted by the society and by various specialists in the fields of geodesy and cartography.
