I believe that the answer is B
All cells have a nucleus in the middle of it (Hope that helps)
Step 2 should be sensory neurons send electrical signals to the brain
Step 3 brain learns information about the environment
Step 4 brain sends electrical signals to the muscles
Availability of the pill had an impact on various aspects of social life, including women's health, fertility trends, laws and policies, religion, interpersonal relationships and family roles, feminist issues, and gender relations, as well as sexual practices among both adults and adolescents.
<span>This can be used as an overall population guideline. The references can be used to make sure that everyone knows what the basic levels of nutrition should be for each group, and how each person or group can achieve those levels on a daily basis.</span>
