In the grossman model, optimal health declines with age because … group of answer choices

1. it is impossible for old people to be healthy.
2. people work more with age, thus having less time for health.
3. medicare pays less than private insurance.
4. the depreciation rate of health capital continues to rise.

The larger your body is, the higher their blood alcohol level will be after consuming a given amount.

Explain what is meant by the phrase “ethical behavior”.

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.