Explanation:
Marble (metamorphic rock), Limestone (sedimentary rock) and Quartzite (metamorphic rock). THE TOWER OF PISA- The Tower of Pisa is the bell tower of the Cathedral.
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.
The main crop would be corn because it's mostly warm there all year round!
Absolutely random question, but I would use a large hammer and smash my rock to piece. :/
