When a gas expands adiabatically, 171) A) it does no work. B) the internal (thermal) energy of the gas increases. C) the temperature of the gas remains constant. D) the internal (thermal) energy of the gas decreases. E) work is done on the gas.

Julia would be observing a. static electricity was caused by her sweater rubbing against her shirt and transferring electrons. she didn't touch anything metal, so that would cancel out b.she most likely didn't rub her sweater against her hair either, so that cancels out c.she also didn't scoot across the carpet while trying to take her sweater off, that cancels out d.so that leaves a.a. is correct.

Shy diving is the only sport which doesnot require a high level of physical fitness

The inference is supported by evidence in the graph is this is an exothermic reaction where the total release of energy equals a + c.