Man Ray Created this piece using the Rayograph. It was considered as abstract art. This type of photography was Surrealism. Meaning it didnt really exist in the world. This picture was created by placing objects on light sensitive film and exposing it with an enlarger. He had exposed his face on one side, then the other.
A. Duplication is one of the different types of chromosomal mutations.
<span>Compound Microscope
Compound microscope is commonly used in the schools and colleges.
It comes under the category of microscopes used in biology.
It has two lenses namely the objective lens and the ocular lens.
It provides a magnification of 1500X.
Eyepiece lens is of 10X or 15X power.
It is used to observe bacterial, protozoa, various cells, etc.
</span><span>Dissecting Microscope
It is also called stereo microscope.
Its magnification power is less than the other microscope.
It gives a 3 dimensional picture.
Due to the low magnifying power they are used to observe little bigger objects than other microscopes.
They are used in the surgeries, dissection, forensic science etc.</span>
It provides an objective, standardized approach to conducting experiments and, in doing so, improves their results. By using a standardized approach in their investigations, scientists can feel confident that they will stick to the facts and limit the influence of personal, preconceived notions.
B. How much water is used to produce one paper bag? Let me know if this helps.