Cantare〜歌よ大地に響け〜のKの伴奏のリズムの特徴と伴奏の特徴も含めどのように終わるか教えてください

what can we learn from this dictionary?からの後半部分を英語で簡単にまとめて欲しいですm(_ _)m

Retelling Lesson3 A Window to Ancient Earth Part 3 ; Let's turn our attention to your discovery. Tell me how it all happened. T: All right.It was in 2009, my second visit to Antarctica, There are more than one hundred lakes around Syowa Station, Idove into one of them, Lake Naga-1ke. Asl went underwater, a fantastic world came into sight. A great number of green cones were extending from the bottom of the lake. They were made of various mosses.。 algae, and cyanobacteria. Nobody had expected such a green plant community to be spreading underwater, while a rusty rocky field stretched out on land. J: What can we learn from this discovery? T: Actually, most of the lakes around Syowa Station were exposed from under the glaciers about ten thousand years ago, when the last ice age ended. Over a long period of time, life gradually settled in the lake. But when I dove into Lake Naga-Ike, I didn't find any predators such as fish or zooplankton. Compared with Lake Naga-Ike. lakes on Livingston Island in the warmer area of the Antarctic Peninsula have predators like shrimps and z0oplankton.In short, the ecosystem without predators in Lake Naga-Ike is more primitive than that of the lakes with predators on Livingston Island.

(3)の解き方を教えていただけたら助かります。 出来たところまで載せておきます。

3|次の各問いに答えなさい。 (1) 等差数列{an} において, a,=5, a13=29 であるとき、この数列の一般投項 an は アn- イウ anミ である。 式 (S) (2) 等比数列(bn} において, b2+b5=-42, bs+b6=84 であるとき, この数列の一般 願の 0=SE 項b,は るあケ bn=エオ(カキ)カ-1 である。 おの > (1-)goi 左参不 (C) (3) (1), (2)で求めた an, bnについて, 8 2(as+ ba)=クケコ k=1 である。

5行目のa(k+1)=a(k)+[(k+1)/(k+2)!]の部分がよくわかりません a(k+1)-a(k)=(k+1)/(k+2)!ということなのかとは思ったのですが、それでもなぜ右辺がそうなるのかわかりません

SN の5 較画48 -語4 (GTD 遇二 | の一般項を推定し その推定が正しいことを数学的帰納法により証 のヵ に 02 小科商大) 2 数学的帰納法 ヵ一を のときを仮定して, ヵん十1 の場合を証明する。 5 の Re 9 2 0 のトト0のも0 0 120855020 由 た 3ESS SD g。ー1 ヵ+D! ① と推定 日| ヵ三1 のとき =ューテーニテ で(はHOる。 [2] ヵ=ー% のとき①が成り立つと仮定すると 9も7でうすコ Neは 1 (十2)! (填1)! 。(z十2)! (十2)! よって, ヵ三ん填] のときにも ①は成り立つ。 2から. ① はすべての自然数々について成り立つ。 の+ューー 十

回答の一番初めの文言は必須のものでしょうか 3番目の写真のようにその文言がなくとも減点はされないでしょうか

場合分けの方法教えてもらえませんか？（平面上の点の移動と反復試行）

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いつもの仮定法の文はifが前ですが、この時は逆になっているということですか？ もしそうでしたら、普段のようにifを前にして考えると後ろが助動詞の過去形＋ppになっているということになるのですが、助動詞の過去形＋have＋ppではないのですか？？

What would happen iall the Antarctic ice ( )? ① are melt ②⑧ were to melt ③ wil be melt ④ melt to be

答えをお願い致します

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10点中何点ですか？ 理由もお願いします 女子　2019

Monarch Butterfly* Migration fnd のany animals are pulled by a strong, atural instinct 6 leave ther homee for part of the ゅの year/ 6 regular as lockworky人 happens。人As the weather changes and food is harder to yemrto look for more food and a beter plaCe to live and breed urney 80 to BIRD razing are as one of the longest migrations: flying lrom the Arctic to o the Antarcti 70.900km) is the Arctic tern, which dand back Es around trip of abo

(1)がわかりません 書かれていないから✖️ ということですか？ もし、第一段落4行目の In Africa 〜　の部分から✖️になるのだとしたら、3000㎞はなぜ　長い　といえるのですか？ 長い　の基準はどこに書いてあるのですか？ 女子　2019

Monarch Buttery* Migration Every year 4s regular as 6lockworky happens。人As the weather changes and food is harder to fnd, 5 animals are pulled by a strong, patural Oinstinct t6 1eave their homes for part of the Year,to ook for more food and a better pla6e to ive and breed/⑭ jon resuls ) mimals gong on extraordinary ) [mm At, over km jjourney together to find better grazing areas<人nother example js the Arctic tern, which as one of the 二 migrationsi HIyng rom the Arctic to the Antarctid and back eps s round tip cfaboul 70.900knl amazing is taken by_the_monam ermy 30 9 4.828Mm soutHl from North America to Mexicos mountainous oyamel fir fores atory journeys. 人 of the most ese_⑱fragile creatures fly to getaway from What is lo the butterfHy 1ー 7有 that only the fourth generation, Which is born _ in the early fall Gom September to October)/ makes the long journey me term butterHied have strong wings (they can Qiy as far as 120km a day), long Hifepans (they live as long 6-8 monthe) and are born to 1y Before the winter cold sete in,《hey start migrating south. Believe itor not 4fey follow the same MA routes and even migrate to the same tree as their (⑩ancestors did/and they hibernate there/How they do this is a mystery./Probably everything is written in their DNA。