На дворе гуляют куры и козлята. У всех вместе 17 голов и 46 ног. Сколько козлят и кур?

Помогите вставить слова в Текст плизз.Вот слова : achievement,create,enormous,member,name after,not discover,receive a degree,recognize research,succeed.

Вот текст:

Dmiti Mendeleev is a great Russian scientist of the 19th century.He 1(____) as a great chemist who created the periodic classification of the elements.Dmitri Mendeleev was born in Tobolsk in 1834.At school,Dmiti 2(____) in mathematics,physics,and geography but was not good at languages.In 1855 he graduated from Pedagogical institute in St Peterburg with a gold medal fo his 3(___).In 1856,he 4(____) in chemistry.Dmitri Mendeleev's contribution to the world's science was 5(______).He was the first 6(___) the dependence of the qualities of the elements on their atomic weight.He forecast that the gaps in the table of elements would be filled in by elements whith 6(______) yet.Dmitri Mendeleev was greatly honoured as a 7(_____) of academies in many countries.Elements No 101 8(___) him.

Помогите СРОЧНО написать сочинение "Самый смешной случай в моей жизни!"

Вычислите объём аммиака (н.у) который выделится при взаимодействии 890г нитрата аммония,содержащего 20% примесей с раствором гидроксида натрия .Сколько граммов 20%го раствора щелочи потребуется для реакции?(пожалуйста как можно подробней)