Environmental Science
Endemic species are

rare species
species localised in a specific region
cosmopolitan in distribution
critically endangered species

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
The aurora is produced by:

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

ANSWER DOWNLOAD EXAMIANS APP