Which is a social benefit of healthy sleep?

less time in the day to fill with activities
more immunity to communicable diseases
improved ability to form stronger friendships
reduced risk of a heart attack

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.