The Chilean earthquake on February 27, 2010 shortened Earth’s rotation rate by 1.27 microseconds. How many days will it take for our clocks to be off by 1 second?

Answer accretion;

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.

Answer(say);