B. The continents on a map looked like they fit together.
A is the theory he proposed <em>after</em> making this observation
C and D would disprove his theory, not support it.
What statement you would need to include the information
Your answer will be b and c because you're planting of crops will take a while to grow so it is not a sudden change to the Earth's surface and if you're building a tunnel through the mountain it won't affect the Earth's surface
Trinidad is the Caribbean island that is rich in natural gas, which has impacted the economy by, due to new factories, turning Trinidad into a major exporter of methanol and ammonia and also attracting developers to the island.