According to the balanced equation below how many moles of CO2 are needed to react completely 20 mL of .2 molarity KMn04 solution

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis