Which friend is experiencing an internal barrier to physical fitness? a. mark lacks access to fitness equipment. b. tyler has trouble finding a safe area to work out. c. talia puts in only 50 percent of effort during her workout. d. clark’s parents fail to support his desire to work out.

Yuan is a firefighter who provides basic first aid at accident scenes. yuan is an emergency medical

The potential to eradicate preventable diseases in the future depends on other societal factors that influence coordination and deployment of global health resources. for example, 70 confirmed cases of circulating vaccinederived poliovirus type 2 (cvdpv2) were reported syria, which is embroiled in war. where else are similar societal challenges preventing the eradication of polio? uzbekistan. nigeria. pakistan. a and c. b and c.

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.