Oil burner keeps tripping the reset button: That would be the little red button on the box at the oil burner itself. If your oil burner stops running the first thing you should check is the reset button. If you press it and the burner fires up then that was the problem.
How far can sharks smell blood? A: A great white shark can smell blood in a radius of approximately 1/3 mile or as low as 1 part per 25 million.. Not all sharks have this strong of a sense of smell; however, all sharks do have a sense of smell that is superior to many animals. Continue Reading.
A few things that could attract a shark to a human is blood (which can also cause a feeding frenzy) and a human paddling out to catch some waves (surfing) looks like a seal so that can also attract sharks, however sharks have a keen sense of smell so it is more likely that blood will attract sharks.