8. Infrasound can be the cause for people to see ghosts L ow frequency sound can cause people to have unusual experiences . Its resonance frequency may affect person’s eyes too.
10. CONCLUSION Even though we live in a society that has made lots of technological and scientific progress, apparently we will not be able to discern the very truth about this matter. It is up to each one of us to decide whether or not afterlife exists. Do you believe?