The movement of the crust is thought to be driven by what process? A. Seismic waves from earthquakes
B. Flow of lava within the crust
C. Gravitational waves
D. Convective currents in the upper mantle

Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?

18. which statement about cancer is true?

Which of the following would you not find in a bacterial cell? dna cell membrane golgi apparatus ribosomes