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.
That has formed a mountain by erupting new material from the same location over 500,000 years. Cicero Over <span>is what ... Instead, the lava is being erupted from a rift and flowing away from the </span>eruption<span>, creating a </span>volcanic plain<span>.</span>
Answer:
See explanation
Explanation:
Black Mesa - High Plains
Mount Scott - Ouachita Mountains
Rich Mountain - Wichita Mountains
Tallgrass Prairie Reserve - Sandstone Hills
Alabaster Caverns - Gypsum Hills
