When receiving x rays, individuals wear a lead
shield over major organs in order to limit the
body’s exposure to radiation. one reason for this
procedure is to
(1) protect the patient against broken bones
(2) prevent mutations in gametes
(3) improve circulation in the patient
(4) increase the chance of a change in dna

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Where can a dna be found in a prokaryotic cell

Which could be a pathway of food through an ecosystem