Answer:
they affect how they orbit other planets, moons, or sun.
Explanation:
<span>Wegener proposed the continental drift theory, and provided scientific evidences for such, but couldn't explain the mechanism or processes behind the movement of continents. It wasn't until the mid-twentieth century with the discovery of the Mid-Atlantic Ridge that the processes causing plate movements began to be understood and led to the science of plate tectonics. </span>
Sinkholes and caves may be right
Fiefs are upper class nobility is the answer<span />