During the 1980s, the average emission of carbon from burning fossil fuels on earth was 5.438 petagrams (pg) of carbon per year in the form of co2. (a) how many kg of c were placed in the atmosphere each year

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic