English
English, 16.09.2019 22:30, yhhh

30 points! james jay's invisible ink did not become visible by heating. as he described it, his ink "would elude the generally known means of detection, and yet could be rendered visible by a suitable counterpart." jay's invisible ink consisted of two chemicals. an agent used one chemical to write an invisible message. to read the message, the reader had to brush a second chemical on the paper; that chemical made the message visible. the two-bottle system, supplied by jay, gave washington the secure form of writing that he wanted.
which statement is best supported by text evidence from the excerpt?
heating was a generally known means of reading invisible ink.
james jay was widely considered a hero for his invention.
both the british and the americans used james jay’s invisible ink.
washington james jay develop the two-bottle system.

answer
Answers: 2

Other questions on the subject: English

image
English, 22.06.2019 09:30, alemvp7258
Which of these phrases is an example of understatement?
Answers: 2
image
English, 22.06.2019 11:30, destineenikole17
Read the introduction to the persuasive essay, "should cosmetic surgeries be banned? " what makes this introduction weak?
Answers: 1
image
English, 22.06.2019 12:00, nicolascorrea0207
Read the excerpt from act 4, scene 1, of the tragedy of julius caesar. [exit lepidus] antony. this is a slight, unmeritable man, meet to be sent on errands. is it fit, the three-fold world divided, he should stand one of the three to share it? octavius. so you thought him, and took his voice who should be p to die, in our black sentence and proscription. antony. octavius, i have seen more days than you. and though we lay these honors on this man. to ease ourselves of divers sland’rous loads, he shall but bear them as the a** bears gold, to groan and sweat under the business, either led or driven as we point the way; and having brought our treasure where we will, then take we down his load, and turn him off, like to the empty a**, to shake his ears and graze in commons. what does this interaction reveal about antony’s character? select two options. he feels like he is getting old. he values the efforts of his peers. his opinion of beasts of burden is low. he presents a false demeanor to others. he is ambitious for himself and his friends.
Answers: 1
image
English, 22.06.2019 12:30, prudencerufus
Mr. amoroso is worried about jerri, a girl who is struggling in his seventh-grade class. he thinks about several different reasons why she might be having so much difficulty with her schoolwork. which one of the reasons he considers is consistent with a behaviorist perspective of learning?
Answers: 2
Do you know the correct answer?
30 points! james jay's invisible ink did not become visible by heating. as he described it, his ink...

Questions in other subjects:

Konu
Mathematics, 01.09.2019 16:10