Environmental Science
The organic matter produced by the photosynthetic activity of green plants is called as

energy flow
primary productivity
light energy
cellular process

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Environmental Science
The aurora is produced by:

Burning oxygen caused by the intense sunlight at high altitude
The combination of molecular and atomic oxygen to form ozone
Fast-moving charged particles colliding with air molecules
Reflections of sunlight by polar ice fields
Scattering of sunlight in the upper atmosphere

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