In his work with pneumonia-causing bacteria, frederick griffith found that a non-pathogenic strain had been transformed into a pathogenic strain. which of the following explanations best describes the phenomenon of transformation? a. it refers to transfer of genetic material between bacteria through direct cell to cell contact. b. it refers to introduction of genetic material into animal cells. c. it refers to genetic material taken up from the environment through bacterial cell walls.

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

Time remaini 02: 50: 5 in the farewell speech, queen elizabeth's use of first-person point of view her to appear to be impartial and objective prevents her from addressing the audience directly allows her to share her personal thoughts and ideas, makes it seem as though she's observing from the outside, mack this and return save and evit

20 the compound al(nh3)2 has atoms of nitrogen.