Cogeneration is the process of taking a waste product or process and producing heat and generating electricity from it at the same time.
It could be collection of waste heat from the original generation of electricity or burning of biodiesel, ethanol or methane gas from sewer or cow dung. The only answer where electricity is using or creating heat and generating electricity power is C.
In the emancipation Proclamation it said that if they did not see is there 1000,000,000 by January 1 that the proclamation would go into force
When government spending decreases regardless of tax policy, aggregate demand decrease, thus shifting to the left. The 4th term that will lead to a shift in the aggregate demand curve is NX (e). Hope this helps!
