What temperature does water have to be to kill bacteria?

What temperature does water have to be to kill bacteria?

Some bacteria are actually resistant to the temperature of boiling water (100 degrees C.). To kill all the bacteria, you need to raise the temperature to about 121 degrees C. To get water to this temperature, you must heat it under pressure.

Why was Ken Mattingly replaced for the Apollo 13 mission?

Mattingly’s first assignment was to be the Command Module Pilot on the Apollo 13 mission. Three days prior to launch, he was removed from the mission due to exposure to German measles (which he never contracted) and was replaced by the backup CM pilot, Jack Swigert.

Can frogs throw up?

It was discovered on a space mission that a frog can throw up. The frog throws up its stomach first, so the stomach is dangling out of its mouth. Then the frog uses its forearms to dig out all of the stomach’s contents and then swallows the stomach back down.

Which bird produces milk?

The pigeon is one of only three bird species (the others being flamingos and male emperor penguins) known to produce ‘milk’ to feed their young. In pigeons the milk starts to be produced in the crop of the parent birds two days before eggs hatch.

What great lake caught on fire?

When Lake Erie – or more exactly the Cuyahoga River which flows into Lake Erie – caught fire in 1969, it ignited a firestorm of public outrage over the indiscriminate dumping of sewage and industrial chemicals into the Great Lakes.

What band has the most Grammys?

That night he also won the Best New Artist award. With a total of 22 Grammy Award, U2 has received the most awards of any group in history. Both the King of Pop and Santana hold the record for the most Grammys awarded in a single night.

Why do boys voices change at puberty?

It’s the larynx (or voice box) that’s causing all that noise. As the body goes through puberty, the larynx grows larger and thicker. It happens in both boys and girls, but the change is more evident in boys. Girls’ voices only deepen by a couple of tones and the change is barely noticeable.

What was the original name of Africa?

Alkebulan is the oldest and the only word of indigenous origin. It was used by the Moors, Nubians, Numidians, Khart-Haddans (Carthagenians), and Ethiopians. Africa, the current misnomer adopted by almost everyone today , was given to this continent by the ancient Greeks and Romans. “