1) deep trenches
2) active volcanoes
3) arcs of islands along the tectonic boundaries
4) in some cases, mountain ranges
Cells can generate from non living matter is the answer
Ans
Neutralization reaction
Explanation:
The meaning is
acid + base = salt + water
The two oxygen atoms share two pairs of electrons, so two covalent bonds hold the oxygen molecule together
Recrystallization is when new mineral grains form as a result of metarmorphic heat that are larger than the original mineral grains.
Recrystallization is a metamorphic process that occurs under situations of intense temperature and pressure where grains, atoms or molecules of a rock or mineral are packed closer together, creating a new crystal structure.
