Answer:
a
Explanation:
This is owing to some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova
Climate change , global warming , and population growth are all threats to biodiversity.
Answer:
C. There is not enough light.
Explanation:
In the aphotic zone, there is not enough light for photosynthesis to occur in plants, so, the plants unfortunately die.
Free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone.