33.Our solar system is thought to have formed from a ?

dense cloud of interstellar gas and dust

Explanation:

The cloud collapsed, possibly due to the shockwave of a nearby exploding star, called a supernova. When this dust cloud collapsed, it formed a solar nebula—a spinning, swirling disk of material

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

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.