Answer:
option c would be the right answer tectonic plates shifts thus causing Collison of lands. plates
Africa, North America, South America, Europe, Asia.
Answer:
There are more options of travel with the amount of maps
I'd say the answer is D. Hope this helps :)
The correct options are:
- Improved engines; engines were improved significantly so that they can have the same power and agility but by using less fuel.
- Cleaner burning fuels; it has been invested a lot of time and money into improving the fuels and making them as effective as possible but also removing or lowering the most dangerous components towards the environment.
- Catalytic converters; this devices for exhaust emission control manage to convert the toxic gasses and polutants into less toxic pollutants by managing to catalyze a redox reaction.