Answer:
living creaturesss$$ssssssss$ssss$
The answer regarding the components of an arthropod's nervous system would be item C. It consists of brain, nerve chord, and ganglia. The brain is located dorsally, while the nerve cord together with the ganglia is ventrally structured — extending on each segment of an arthropod’s body.
Answer:
360,000 kilometers
Explanation:
Because the moon is the closest to the earth and sorry if it was no help and it wrong but i think its 360,000 kilometers.
Calcium
Calcium helps build and maintain bones.
