When should someone start working on bone strength?
teen years
college years
middle age
senior citizen age

What are some misrepresentation of the human body?

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.

How can a student practice the works of mercy in the school community