Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. A. Today such challenges are treated with antidepressants, which increase available serotonin or norepinephrine. B. It was pioneered in the 1930's by Portuguese neurologist Antonio Egas Moniz for use with patients suffering severe mental illness. C. By inhibiting the tendency for nerve cells to absorb or deactivate those chemicals. D. Lobotomy, a controversial surgery, disconnected the prefrontal lobe, centre of emotion and social behaviour from the brain. E. Chemicals whose contact with nerve cells improves mood.

Arrange the given sentences in a logical order to form a coherent paragraph: A. Many species are on the verge of extinction. B. Biodiversity loss threatens ecosystem stability. C. Deforestation and pollution are major contributors. D. Without intervention, ecological collapse is possible. E. Governments must enforce conservation policies strictly.

Parts of a sentence are given below in jumbled order. Arrange the parts in the correct order to form a meaningful sentence. P. know the fact, as it may leave permanent scar on the character Q. frankly about the matter to maintain the transparency in the relations R. don't pass adverse comments on any person unless you S. of a person, so it is better to ask the individual