why are firecrackers very expensive days before new years Eve and are almost given away a few hours before midnight of December 31?​

Brian said that when you get your body broken such as a arm or leg. it means your bones break to pieces and must do surgery or get a cast to fix it. is it true or false?

What would be good in a cpr and first aid video

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein. b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid. c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane. d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.