<span>GPS can precisely measure both horizontal and vertical motions. GPS and other instruments used to measure deformation may detect motion at a volcano before any earthquakes occur, and these changes in shape may accelerate immediately before an eruption, making GPS a valuable monitoring tool.</span>
Answer:
The answer would be C
Explanation:
The Matter is converted to energy and carbon molecules
(I know because I passed science xD)
The tricuspid valve shuts. This prevents blood from flowing backward into the right atrium while the ventricle contracts. So, your answer will be the Tricuslid Valve. Hope I helped!