Explique con sus palabras la actividad volcánica y su relación con la formación de la corteza terrestre.

satellites are frequently used to make observations of the orbit on earth

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.

then go eat. lol.brainliest