To build muscle you must do what?

Which of the following is not a common cause for exercise related injury? a. overeating b. being dehydrated c. being active in an unsafe enviroment d. not wearing the proper clothes or protective gear

The frequency in wich you perform certain exercise depends on the blank of the exercise

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.