¿Qué diferencia encuentra en la aplicación del método del paralelogramo con la aplicación del método del triángulo para sumar dos vectores

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false