My face is burning my eyes are watery what do I do

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast