2箇所、シャーペンで線を引いたところ、 This is because... と This is why... こういう文法はどうやって訳しますか。 なぜなら...という感じですかね？？

Why do leaves on many trees change from green to bright red, yellow or orange? p the spring and early summer leaves of a tree grow faster. ise water and other chemicals flow to them. In the early autumn, the water and chemicals go back into the tree. e echemicals is chlorophyll. It is the green matter that edS to change sunlight, water and CO2 into food llorophyll flows back into the tree, bright reds, mges that are also in the leaves appear. These in the leaves, but they could not be seen S much more green chlorophyll. me, a special group of cells at the bottom of the become weak. This is why the leaves break of or heavy rain. The aging and death of leaves is Ving water and growth chemicals from year to year. wfalls and dry summer weather happen, ① autumn Elas beautiful as they usually do. Trees do not chemical steps to produce bright colors. Their nm and fall off quickly ②⑦to save [ as, as water (②73 os)

⑵の問題なのですが、昇華熱というのは、２つあるのではないのでしょうか？ なぜ答えが一種類しかないのかわからないです💦 教えていただきたいです😢

| 財2) 炎の状態変化を熱化学方程式で表せ。 リリ 映素の茶発熱は31 kJ/molである。 (② ヨウ素の昇熱は62 kJ/molである。 熱化学方程式 : ihermochemical equation 融解熟: heatOFNsiOm 蒸発熱 : heat of vaporizaton 中華替: heatotsubimanon SS

この一文目を訳して欲しいです。 （2）にはdesigned が入ります。

導 A rational national food policy for America would do that by は 押 resources to at least assure that all Americans have access to healthful fo farm policies are ( 2 ) tosupport public health and environmental objective, food is free of toxic bacteria, chemicals, and drugs, and the food industry has$ jittle negative impact on the environment as possible and pays a fair wage those it employs. Only people who do not really care about the general puDl would argue ( b ) creating policies with these aims jn mind.

黄色のマーカーを引っ張っている部分の日本語訳は「農場主たちはその植物に対する被害を望んでいないのでコーヒーや砂糖や大豆の大農園に昆虫や鳥や動物を近づけません」とあるのですが、「近づけません」という部分は英文中のどこにあたりますか？説明ヘタでスミマセン（´-`）

PO TICh Counkries- 1 しbi 94 に4 4 6だ: 人ai は to kill the de Sd theee hmicaは eoDle caneer。 でら6 M eric nlantatione row plante しの 」 chemiculs. Oreenie 5 折議国語証証 AAM Treee of the rinforest。and the birds in the trees cat the insects that damage the eg Tamilies grew coffee jike this before the ( ⑥ ) businesses cut down the trees and made plantations of cofHee. On a ( ⑤ ) plantation。 You can see between five and twenty birds. On an organic cofee farm、 You can see about 150 kinds of birds。 and more organic coffee farms in the rainforests, and workers have a chemicals of the big plantations. (注) Latin America : ラテンアメリカ metal : 金属 demdly Jer リットル ton: トン(重きの単位) plantati chemical : 化学物質 soil:土壌

話題は「Some farmers grow fruits and vegetables without using chemicals. Do you think more farmers will grow fruits and vegetables in this wa... Read More

fruit fly can detect odor of fruit,which odor or chemical material help them find fruit?🤔is it ethylene(C2H4)?

彼らもまた、有害な殺虫剤と除草剤を使わないようになる。 まで、分かったんですがそこからわかりません。 教えてください。 They can also stop using toxic pesticides and weed killers, as well as harmf... Read More

why A is the answer?

答えは②①④③③なんですけど、よくわかりません 解説お願いします🙏💦

解説お願いします‼ 32はオで33はエです