Which of the following are processes related to the formation and sedimentary rocks

A. Compaction and cementation of particles of pre- existing rocks

B. Cooling of magma or lava crystallization

C. When hot rocks intrude into a pre- existing rock

D. Melting and cooling

How many molecules are present in 3 mols of silicon dioxide (sio2)?

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.