The answer is a a and x i just took the quiz and it was right
answered: Guest
Should be a or oklahoma.
answered: Guest
Dry-steam power plants take advantage of natural underground sources of steam. the steam is piped directly to a power plant, where it is used to fuel turbines and generate electricity. dry steam is the oldest type of power plant to generate electricity using geothermal energy. hope this !
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.