D. that Pakistan’s laws are based on secular and Islamic principles
Sinkholes are common where the rock below the land surface is limestone, carbonate rock, salt beds, or rocks that can naturally be dissolved by groundwater circulating through them. As the rock dissolves, spaces and caverns develop underground.
Sinkholes are formed when the land surface above collapses or sinks into the cavities or when surface material is carried downward into the voids. Drought, along with resulting high groundwater withdrawals, can make conditions favorable for sinkholes to form.
To be an Archaeologist what you'll probably need is geography skills. YOU SHOULD BE CAPABLE ENOUGH TO read maps , study different rock types and vegetation,KNOW HOW to speak different languages.
THE WORLD IN SPACIAL TERMS
PHYSICAL SYSTEMS
HUMAN SYSTEMS
ENVIRONMENT AND STUDIES
PLACES AND REGIONS
From the 6 essantials elements of geography
WE should be using the first 5 because all of em are important for us to understand how humans developed at a certain climate, land etc.
Answer:
b. It is the historically agreed-upon starting point for longitude
