Answer:
The humankind has been in pursuit of technological advancement since the ways to create fire were discovered. Between fire, the wheel, and the invention of the nail, the human has been in pursuit of instruments of innovation. College students study this trend in History classes and sometimes must pay for essay to be written about their course learning material.
Through the study of technological history, college students get to learn about how man arrived at today’s modern technology. Yes, even eyeglasses that we take for granted while wearing had a tremendously primitive start regarding its discovery and use. Aside from the eyeglasses, there are also other fundamental inventions, such as the candle that led to the modern streetlight. Want to know more? Let’s do a run-down of these important inventions to expand your knowledge.
Invented by the Greeks, man would not have been able to improve their vision, create television sets, and improve the work being done in the field of photography and film. This ancient invention helped to give rise the to CD, DVD, and other optical methods of saving files. A 100 B.C. Chinese invention, the paper is the basis for the document program in our computers of today. It is the basis by which people blog their thoughts and interact with people online. We don’t give much thought to it today, but if the paper had not been invented, we would not have any material to record our thoughts on.
Along with paper, the printing press was the method by which people’s thoughts were permanently recorded and shared with others for centuries. It modernized the way that people became intellectuals as it allowed for the printing of books and other manuscripts for the first time. Gone were the days of hand written monk publications. The modern printing press ushered in a new era of enlightenment.
All modern conveniences would not have been made possible without the invention of electricity. By harnessing the power of nature, such as that coming from lightning, we were able to understand how it could power things. Without the invention of electricity, none of our modern amenities would exist because we would all still be living by candlelight.
Before Elon Musk tried to reinvent the engine, the combustion engine was created for use in trains and cars. This predecessor is the reason that cars were invented and that airplanes could finally fly farther and faster.
Before the mobile phone, there was the corded telephone that needed to be used while staying in one place. This invention brought humankind out of the written age of communication and into the verbal period of interaction, which eventually evolved into the internet of things and the invention of social media.
Coming from the dirty transportation offered by the horse and carriage, the invention of the car was thought to be able to help protect the environment as environmental pollution caused by the horse’s waste material would no longer be strewn across streets and towns. Little did our predecessors know that cars would bring their own share of pollution and other problems along with it. Others such as Airplane Semi-conductors Personal Computers
1. There are three ways to pronounce the words ending with -s:
- [s] after a voiceless sound such as k, f, p, t, or θ (voiceless sound produces no vibration of vocal chords): cats, hats, weeks
- [z] after a voiced sound such as ð, b, d, g, j, l, m, n, <span>ŋ, r, v, w </span>(voiced sound produces vibration of vocal chords): dogs, gloves, wolves, lives
- [ɪz] after these sounds: [tʃ], [dʒ], [s], [z] (because it would be impossible to pronounce such plural words without an additional sound [ɪ]: cockroaches, watches, bridges, buses, traces, blazes
2. There are three ways to pronounce the words ending with -d:
- [d] after a voiced sound except for d, such as ð, b, g, j, l, m, n, ŋ, r, v, w (voiced sound produces vibration of vocal chords): stayed, raised, moved, returned
- [t] after a voiceless sound except for t, such as k, f, p, or θ (voiceless sound produces no vibration of vocal chords): stopped, watched, coughed, finished
- [ɪd] after d or t: departed, dated, attended, ended
Your correct answer is the fourth: 'After they rested a few days, the aliens revived sufficiently to explore.'
