Bodies of water often were used to create borders EX: in the eastern united states the states borders are rivers because it is easier than making imaginary borders
A rocket thrusts its boosters and lifts off the launching pad.
The local workers become redundant at their work-place and are soon retrenched,they lose their jobs
It is the Line of longitude
The scientist that studies earthquakes is a ➡️"seismologist"⬅️
For future reference break down the word, get the root. if you don't know what the root-word means look it up in the dictionary, it should help :)
Good luck on your assignment and enjoy your day!
~MeIsKaitlyn:)