Metamorphic rock can change into igneous or sedimentary rock. Igneous rock forms when magma cools and makes crystals. Magma is a hot liquid made of melted minerals. The minerals can form crystals when they cool. I hope my answer has come to your help. God bless and have a nice day ahead!
When wood burns the mass of the soot ashes and gases equals the original mass of the charcoal and the oxygen when it first reacted
Rhizome
Rhizomes are a type of stem that grows horizontally underground. They are capable of propagating vegetatively or asexually. Rhizomes store starches and proteins that allow them to grow all-year-round underground. Examples of which would be ginger, turmeric and lotus.