In cells hydrogen peroxide is converted to water and oxygen throughout the activity of
a. enzymes
b. fats
c. lipases
d. pigments

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

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

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a. precipitation b. erosion c. migration d. condensation