British philosopher John Locke believed that there should be a {social contract, treaty, written agreement} between a government and its people. The people would willingly { give up natural rights, pay taxes, work for the gov} if the government protected them and provided for their needs. (PLEASE NO ABSURD ANSWERS!!)

Mantle convection is the process that drives plate tectonics. the theory of plate tectonics states that the crust is divided into plates that float on the semi molten mantle below. the circular motion of the magma as it slowly rises and falls or move though convection cells drags the plates along causing them to move. the heat source in the lamp would represent the earth's core. the core is the source of energy that drives convection in the mantle. the lava represents molten magma under the earth's surface. if the lava lamp had floating pieces they would move as the circular motion of the lava in the lamp as it rises and falls would move them along the surface. these floating pieces would represent pieces of the earth's crust. 

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen

Joe ran 130 yards because 3 feet make 1 yard so using this ratio 390 feet make 130 yards.

D: sill  is what it is on edgenuity!