In low light no plants grow. With no plants no animals can eat so less animals remain or stay there. With less animals less animals respire and breathe out CO2.
The greatest cause of the worldwide loss of species is human activity. I think
The sewing needle should float in the water if placed on a horizontal angle if I remember properly.
I hope this helps in some way.
Ocular Conjunctiva - It is a part of the conjunctiva, which is a clear membrane that covers the eye's surface. It is also called as the bulbar conjunctiva. The main function of the Ocular Conjunctiva is to protect the eye from germs and infections.