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Name three methods a person can take to protect their skin from the sun

How does a bone marrow transplant treat sickle cell disease?

Which description best defines the nervous system and its two main branches? a: the message center of the body, split into the autonomic nervous system and the somatic nervous system b: the control panel of the body, split into the central nervous system and the exterior nervous system c: the message center of the body, split into the central nervous system and the peripheral nervous system d: the control panel of the body, split into the brain and the spinal cord

What economic effects might result from the depletion of groundwater supplies from the ogallala aquifer? need to know asap