Pick a letter A-D please I need this done for a high school credit.

It is important to avoid isostatic stretches because they can

A) increase body and muscle temperature

B) extend a joint beyond its regular range of motion

C) exceed the stretchable limits of the tissues involved

D) stretch the muscle to its farthest point

This is one popular brand of exercise machine

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.

What are three important public health tools for addressing heart disease? identify the tools, and explain why they are a benefit to public health. you! : )