Why are viruses like parasites?
a. they harm the cells they enter.
b. they multiply.
c. they use their own energy to develop.
d. they make their own food.

Many dental offices prefer preset trays because the use of these trays or what

What are your thoughts on nonhuman trials? do you feel that testing should be done on animals? what are the advantages and disadvantages with nonhuman trails?

During the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.