Answer:
Affordable trains soon ruled the forte of long-distance travel. Jet services were introduced that could fly higher and faster. By the time the 2000s rolled around, commercial flights had transformed themselves into the primary option of travel. Now, each member of the family boasts of a car each for personal use.
Explanation:
B.) a population density map and c.) a political boundary map
Answer: it gives water
Drinking, cooking, electricity or hydroelectricity
We can use it to grow food or use it in hydroponics
We can filter it into drinking water
The Earth rumbles and a hiss of steam issues from the top of Mt Ruapehu. Are these two events related? Is the earthquake caused by the volcano? Or is the steam caused by the earthquake?
Tectonic plates
When Alfred Wegener first proposed the idea of continental drift (the precursor idea to plate tectonic theory), it didn’t quite explain the full story. While he correctly showed that Africa and South America fitted together, his model wasn’t able to explain the violent forces that occur around the Earth’scrust.