2.Scientists at NASA and other research institutions are using high-performance supercomputers to simulate the physical processes that cause earthquakes. Which of the following are tools currently under NASA development? c. Simulations of how hundreds of independent faults interact. b. Evolution of an earthquake on a single, unstable fault over time. JPL linkCaltech LinkNASA link d. All of the above a. Models of stress and strain in Earth's crust and upper mantle. Next question