Anurse is teaching a class to parents about keeping medications and household cleaning supplies out of the reach of toddlers. the nurse explains that this is necessary because toddlers:

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

Long term exposure to waves can cause sunburns and skin cancer.

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?