Graphite is sometimes used to reduce the friction between two surfaces that are rubbing together.
Explain how it does this.

How have the greenhouse gasses increased from the year 2000 to 2018

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces