subject
English, 07.09.2021 19:30 brittneyrost3722

HELP GIVING BRAINLIEST In 1827, John Walker, a druggist in a small English town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. The druggist had discovered the first friction-chemical match, the kind we use to-day. It is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. Although Walker's match did not require the bottle of acid, nevertheless it was not a good one. It could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. In a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. The match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. It would ignite when rubbed on any dry surface, and there was no longer any sputtering. This was the phosphorus match, the match with which we are so familiar.

What is the main idea of the last paragraph?
Early matches were dangerous and awkward.
John Walker made the first match.
Phosphorus was the key to the modern match.
Walker's match was better than what came before.

There never was a time when the world was without fire, but there was a time when men did not know how to kindle fire; and after they learned how to kindle one, it was a long, long time before they learned how to kindle one easily.

What is the main purpose of this sentence in the essay?
To describe the misery of early human existence
To explain how early fires were started
To suggest humans have an easier life than we once did
To support the idea that matches really changed human life

ansver
Answers: 3

Another question on English

question
English, 21.06.2019 17:00
Will give out brainliest and maximum points to ! ! you may write a poem that explains the difference between a market economy and a command economy. your poem must include: -six terms from chapter 2* -at least one of the primary goals of each of the economic systems -highlights of at least two benefits and two drawbacks of each economic system. *key terms listed in attachment
Answers: 1
question
English, 21.06.2019 22:00
Biologists recognize five levels of cell organization. the lowest and simplest is the cellular level. organisms here are either unicellular organisms, like protozoa, or colonial organisms. colonial organisms are composed of single-celled individuals that stay together to sustain the life of the whole colony. next on the scale of complexity is the level occupied by tissue. a tissue is a group of similar cells which perform a similar activity. tissues that are organized around a common function together make up an organ, the third level of complexity. the fourth level of organization is the system, formed by a group of organs which together perform a specific bodily process. the fifth and highest level is the organism level, in which body systems work together in a structure capable of independent life. main idea:
Answers: 3
question
English, 22.06.2019 02:30
What does it appear that the speaker of the poem wants to do? caged bird by alicia keys question options: sing be adored by fans be set free from public scrutiny be shared with the whole world
Answers: 1
question
English, 22.06.2019 04:30
The room was gaudy with its leather couch and purple walls
Answers: 2
You know the right answer?
HELP GIVING BRAINLIEST In 1827, John Walker, a druggist in a small English town, tipped a splint w...
Questions
question
Mathematics, 29.09.2019 20:00
Questions on the website: 13722363