Is it a b c or d Is it a b c or d

Ijust want the meaning to life (no wrong or right answers i just want your true opinion)

What condition is most likely present when a normal p wave is negatively deflected?

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment.b) an epidemic is restricted to a local region; a pandemic is global.c) an epidemic has low mortality; a pandemic has higher mortality.d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.