Cerebrospinal fluid (CSF), clear, colourless liquid that fills and surrounds the brain and the spinal cord and provides a mechanical barrier against shock. Formed primarily in the ventricles of the brain, the cerebrospinal fluid supports the brain and provides lubrication between surrounding bones and the brain and spinal cord. When an individual suffers a head injury, the fluid acts as a cushion, dulling the force by distributing its impact. The fluid helps to maintain pressure within the cranium at a constant level.
https://www.britannica.com/science/cerebrospinal-fluid
Answer: D
Explanation: As a result of scarce resources, societies must answer three key economic questions: – What goods and services should be produced? – How should these goods and services be produced? – Who consumes these goods and services?
Answer:
Abuse Can affect people in many ways. But also depending on how bad is it. some people dont notice right away for many reasons. These may include that She/he Maybe decides to keep that to himself. he decides to forget everything that´s going on and continue with his life and not wanting help from others. He´s scared that if she/he speaks They may get punished or are afraid that no one can help and fix the situaiton. They also decide to fake their happines by smiling to much, by telling everyone that their fine when they really arent. Its very hard to identify who´s depressed and who´s being abuse because both people who suffer from it they intend to stay away from it and not let anyone know how they feel. They decide to keep doing what they love even though they dont feel happy about it. Every person who may suffer from it can be hard to identify they are being abused for the same reasons. They fake who they are... and decide not to cause problems
Explanation: I hope this helped lol :)