Using the 10% rule plants start with 10,000 kcal how much energy would the level containing the grasshopper have HELP

the only other powers were germany russia and uk and they were too busy fighting each other wearing each other down   that the us was becoming strong and they were becoming weaker

моля да ми помогне с английски език аз не разбирам

molya da mi pomogne s angliĭski ezik az ne razbiram

there are 28 days in feb.