Pregunta 5 (1 punto)
What type of reaction is the following?
MgCl2 + NaF + NaCl + MgF2

When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

How do you lengthen a pattern piece? (family and consumer science, sewing)