To the heated water 0. 5 kg of water at t3 = 20° c is added. What is the final temperature of the water, in kelvin?

The answer is to reassure the reader about dangers of mad cow disease.

Michael jordan !

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.