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Another version of the maze, which was used by scientists, is a comb of 15 end points. The further the bait is from the entrance, the more time the scout needs to describe the path to the foragers. But if you place a bait on any branch more often, then the ants begin to use this branch as a new point of reference. If branch number 10 is often used, then a little more than 10 times are spent to describe the path to 11 branches — that is, ants describe the path as “10 + 1”. And exactly the same result in time shows a twig 9 - that is, "10-1". This is reminiscent of the Roman system of calculus - X, XI, IX. So scientists have proven that ants are able to add and subtract.

Nucleic acids are macromolecules made up of smaller molecules called nucleotides. There are two types of nucleic acids, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Nucleotides are linked together by means of links forming a chain. The nucleotides of DNA are called thymine (T), adenine (A), cytosine (C), and guanine (G). DNA differs from RNA in that it contains a T, while RNA includes a uracil (U) in its place. Although each organism’s DNA is unique, all DNA is composed of the same nitrogen-based molecules. But then, how does DNA differ from one organism to another? it depends on how these molecules are arranged and this differs among individuals. https://www.nature.com/scitable/topicpage/dna-is-a-structure-that-encodes-biological-6493050/ Clark, David P. (2019). Molecular Biology || Nucleic Acids and Proteins https://archive.org/details/molecularbiology00clar_0

Axioms for the Real numbers The algebraic axioms a+b=b+a a·b=b·a (a+b)+c=a+(b+c) (a·b)·c=a·(b·c) a+0=a a·1=a ∀ a ∃ (−a) : a + (−a) = 0 ∀ a ≠ 0 ∃ aˉ¹ : a · aˉ¹ = 1 We can rewrite algebraic axioms as one mathematics statement: a · (b + c) = a · b + a · c The order axioms a > b , b > c ⇒ a > c a > b ⇒ ∀ c, a + c > b + c a > 0, b > 0 ⇒ a · b > 0

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Try to post in English what do you see through telescopes right now.

You can train listening and speaking skills here. 1.Choose an excerpt from your favorite audiobook, paper book, song or dictation. 2.Try to declaim the excerpt as much as you need to be perfect. Use speech-recognition technology for it. 3.Record your voice and save it in an audio format. 4.Post the name of your excerpt, the link to the text and your recorded voice in this thread. 5.Our teachers will check your recorded voice as quickly as possible. They will make corrections for you, give an instruction and their wishes how to improve your intonation and speech. 6.Use our Audio chat.

Here are the dictation websites. Tolearnenglish Talkenglish LEARN AMERICAN ENGLISH ONLINE Englishclub Breaking News English Learn English online Listen and Write Listen A Minute.com MyProfe Listen to audio books on our website Audio books Podcast websites. Englishld Spotlight Luke’s ENGLISH Podcast British engVid lessons American British Council BBC. English at work All Ears English Podcast All Ears English Podcast Episode Archive Easy Stories in English English Listening Lesson Library Online

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Talkenglish Patterns to memorize

Day 6 1.I took the flashcard quiz [url=https://easy-english-study.com/voa/]Flashcards VOA Words 61-75[/url]. 2.I read posts from Dual-language Book in English and literal translation into my native language. 3.I took the grammar test Present Perfect or Present Simple and got a mark 100.

Here is the link to sound flash cards [url=https://easy-english-study.com/voa/]Flash cards[/url] Try to do 15 flash cards per day, you can enter a memorizing word in the field or replay it in your memory, do what is more convenient to you, you have to choose an answer Again, Hard, Not hard, Easy. Mention exercises in your diary here. See you in the next lesson. Cheers!

1)It's a rain season now. 2)The weather is bad today. 3)I have to wear a raincoat in autumn. 4)My raincoat is long. 5)Therefore, I don't wear a raincoat when I ride a motorbike. 6)I'm short sighted. 7)I cannot see people clear. 8)Rainwater enters into my eyes very often. 9)My eyes sting because of it. 10)Thus it's very difficult to drive in a rain season for me. 11)After a 10-minute trip I arrive at work.

31st. Rations about half a pound of bread and about four ounces of beef today. 口粮约半磅的面包和大约四盎司的牛肉今天。 These are the best rations we have received for over a week. 这是我们一周来收到的最好的口粮 Men are very anxious to be exchanged so that we can get into our lines once more. 男人们非常渴望被交换，以便我们可以再次进入我们的队伍。