This all depends on your native language I pronounce this as E-Mission
<span>D.
In 1478, Leonardo da Vinci sketched what many consider the first self-propelled vehicle.
This sentence is more effective because it clearly provides the time in an introductory phrase, then uses the simple sentence structure of subject-verb-direct object. There are no extraneous words to confuse the reader.
</span>
i dont understand please explain then i can help you
1. The frame
2. The fork
3. The headset
4. The stem
4 1/2. The quill stem
5. The handlebars, shifters, and brake levers
6. The brakes
7. Wheels and tires
8. The seat Post
9. The saddle
10. The bottom bracket
10 1/2: The crankset, gearing
Hope this helps! (`・∀・´)