Earth is made up of mantle.
Silicon, magnesium, iron, and other minerals
-cassie
Railroad technologies
City planners saw a great promise in railroad technologies in resolving the problems facing public transports. As a result, railway transport was immensely integrated into several city public transport systems.
Answer:
<h2>If the US is your reference point, the Atlantic is east an Pacific west. Other way around if you're in Eurasia.</h2>
The answer is C. Perfectly free to do as they wish
