Which of the following is NOT a measurement of exercise intensity? aerobic capacity
weight intensity
relative intensity
heart rate

Which action is important to a pregnant woman’s health? see a doctor for regular x-rays drink alcohol in small amounts engage in regular physical activity eat a diet rich in seafood

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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.