The poison in tobacco smoke that causes cancer?

Ascientist finds an organism that cannot move it has many cells produces spores and gets food from its environment in which kingdom does it belong explains

An 81-year-old man and avid reader had a mild stroke from which he eventually recovered. he did have some residual signs and symptoms, however, such as: - right-sided homonymous hemianopia (i. e. loss of vision on the right half of the visual field in each eye) - alexia ("dyslexia"), the inability to read, which greatly frustrated this man - loss of sensation on the skin on the right side of the body why was this man unable to see the right half of his field of vision?

Ineed an essay 1200words about obezity ,introduction, main causes, conclusion