54:51 Which statement accurately describes one aspect of plate tectonics that involves subduction and seafloor spreading?
• Older crust is melted at subduction zongs.
Crust is created at the coastlines of continents.
Continents do not move as a result of seafloor spreading and subduction
Crust is created as the mantle hardens under the lithosphere.

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line