Can someone tell me what these white dots on my skin are?

Ab+cd-> ad+bc is what kind of reaction

If bp readings are consistently 145 mm hg/99 mm hg over a period of time, the patient likely has a. prehypertension. b. normal bp. c. hypertension. d. hypotension.

Which of the following supports the argument that viruses are nonliving? a) they are not cellular.b) their dna does not encode proteins.c) they have rna rather than dna.d) they do not evolve.