Answer:
false Metamorphic rocks can only form from pre-existing rocks. Metamorphic rocks only form as a result of metamorphism of igneous or sedimentary rocks. Rock melting to form magma defines the upper limit of metamorphic processes. The oldest rock exposed to Earth's surface is a metamorphic rock.
Explanation:
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China's "one child" policy of the late-1900s applied MOSTLY to rural areas. The one-child policy was a population control policy of China. It began during 1978 until 2015 where it was formally phased out. It was strictly enforced at the provincial level.
Water, unlike most substances, becomes less dense when it freezes. This is why ice floats
Answer:
Maritime Polar air masses are cool, moist, unstable thus found over Arctic basin and greenland ice caps.
Explanation:
- Air mass is the volume of air defined by temperature and water vapor. Covering hundred and thousands of miles. Cooler are being found over the arctic.
- They move southwards along the Rockies into the plains then eastwards. These air masses collect warm and mist winds, originating in north Atlantic. The center of the air mass has high pressure and surrounded by lower air pressure at higher latitudes.
- Antarctica and arctic circle are dominated by such air masses
The Kyzylkum consists mostly of low hills, sandy dunes, and loess soils.
