Question

help me get medals i need them

Answer 1

A scientist finds an unusual object and decides to study it.

Which observation indicates that the object is a living thing?

Answer 2

Given that he will be studying it chemically, he shall find any DNA traces or carbon compounds and water in the organism, as these are bases substances for life.

Answer 3

finding DNA is sign that it can be produced by a living organism. However in the laboratory you can produce totally artificial DNA by PCR reaction.

First you have to define what do you mean for a "living thing".
It means that it is alive or has life or can be death or it is a product from a living organism?
Products of a living organism can be even more difficult to determine the origen

Living thing http://www.biology-online.org/dictionary/Living_thing

Definition

noun

Any organism or a living form that possesses or shows the characteristics of life or being alive


Supplement

Living things are those that display the following characteristics

an organized structure, being made up of a cell or cells
requires energy to survive or sustain existence
ability to reproduce
ability to grow
ability to metabolize
ability to respond to stimuli
ability to adapt to the environment
ability to move
ability to respire
Examples of living things include the bacteria, protozoa, plants, fungi, animals, humans, etc. Viruses are not absolutely living or non-living. When outside their host, viruses are inactive and seemingly inanimate. When inside their host, they became active and alive, capable of utilizing the host cell's structures and replicate.