When is one time that a cell must divide?

How are carbon dioxide emissions affecting the earths natural cycle of temperature change? plz apex

How does deforestation affect the water cycle? a. it increases the amount of runoff b. it increases the amount of percolation c. it increases the amount of transpiration d. it increases the amount of precipitationa it increases the amount of runoff

What is the difference between an igneous, sedimentary and metamorphic rock