What does prefix poly mean

Many.

Explanation:

The prefix means "many".

For example:

Poly-gon is "many sides" or to be exact, having at least 3 straight sides and angles.

Poly-hedron is "many faces", which is used to describe a side of a 3d shape.

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one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602