The main parts of the peripheral nervous system are . A. the brain and spinal cord
B. nerves
C. the skull and backbone
D. all of the above

the correct answer is B.nerves

A. represents the central nervous system,not peripheral

C.the skull and backbone are not a part of the nervous system

I don't think the halo around the sun really affects the earth

Explanation:

The halo is caused by high, thin cirrus clouds drifting high above our heads. Tiny ice crystals in Earth's atmosphere create the halos.