Explanation:
12. 3 the picture shows adding a stain to the side
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 climate 250 mya was very tropical, so maybe those fossils could've been found there even w/o continental drift
The Russian alphabet is also known as the Cyrillic alphabet. There are 33 letters in the Russian alphabet. 11 vowels, 20 consonants, and 2 pronunciation signs.
Animal fats. blame brainly for this one