is a naturally reactive element that accounts for 65 percent of the body's mass

What would happen if you ate the number of calories of someone who is much taller and more active than you are?

What should you sprinkle on cut fruits to slow the browning process? a. oil b. lemon juice or acids c. salt d. melted butter

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.