List figures of 16-17 centuries critical to the "Copernican revolution" and explain their contributions to it.

Solve for r in the formula v = ir, when i = 5 and v = 15.

Liquefaction is a. a quicksand-like condition arising in some wet soils during earthquakes. b. flooding caused by tsunamis. c. flooding of coastal areas due to tectonic subsidence. d. flooding caused by dam failure resulting from an earthquake.

Based on what you know about speed of light and sound, which come/comes first in a thunderstorm