<span>Mechanical weathering, also called physical weathering, causes rocks to crumble. Water seeps into cracks and crevices in rock. If the temperature drops low enough, the water will freeze. When water freezes, it expands.</span>
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The correct answer is b-) an mT air mass.
MT (Maritime Tropical) air masses are warm and moist air masses. They originate in the Gulf of Mexico, where heat and moisture is transferred on the overlaying air. They move towards north and transport warm and moist air to the USA's southeast and alongside the Atlantic coast, thus increasing the precipitation.
<span>5 degrees north, 31 degrees east points out outskirts of the capital of the Republic of South Sudan, Juba. Juba is the largest in South Sudan and it also serves as the capital of Jubek State, one of the 28 states of South Sudan.</span>