Question

what is tree...
what is animal... ​

Answer 1

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what is tree

ans : a tall plant that can live for a long time. Trees have a thick wooden central part from which branches grow.

what is animal

ans: any living creature (including humans) that is not a plant or a creature that is not a bird, a fish, an insect or a human

Answer 2

Non-optical aids help patients deal with everyday problems where sight is impaired. A review of the many non-optical devices is discussed including relative size devices, writing and communication aids, posturing and positioning aids, illumination control and non-optical sensory substitution devices.