Answer: dolomite rock that becomes soluble over time
Explanation: ageing infrastructure that combined with volatile climate that are major causes of the appearance of the sinkholes
Answer:earth
Explanation:
Setting up the seasons. The direction of Earth's revolution is in the direction of its rotation. Because the path around the sun is not circular, we are closer to the sun at certain time of the year.
The equator and the International Date Line cross in the area of Pacific Ocean. There is a tradition to celebrate the first sailor's crossing of the line.
It is either a data tool or a GIS(geographic information system
