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.

How high are the white cliffs of Dover?

The famous White Cliffs of Dover stand guard at the Gateway to England. Millions pass through Dover each year on their journey to or from the continent. In some places over 300 feet high, the White Cliffs are a symbol of the United Kingdom and a reassuring sight to travellers.

Why is the Democratic Party symbol a donkey?

Later, cartoonist Thomas Nast used the Democratic donkey in newspaper cartoons and made the symbol famous. Nast invented another famous symbol—the Republican elephant. In a cartoon that appeared in Harper’s Weekly in 1874, Nast drew a donkey clothed in lion’s skin, scaring away all the animals at the zoo.

What do you call a group of Unicorns?

A group of unicorns is called a blessing. Twelve or more cows are known as a flink. A group of frogs is called an army. A group of rhinos is called a crash.

Do snails have eyes?

Land snails have two sets of tentacles that stick out, the longer set of tentacles are the ones that have the snail’s eyes. This way they can move their tentacles around to get the best view. Water snails, on the other hand, have eyes at the tentacles’ base and they have only one pair of tentacles.

How old was Marie Antoinette when she married?

Born in Vienna, Austria, in 1755, Archduchess Marie Antoinette was the 15th and last child of Holy Roman Emperor Francis I and the powerful Habsburg Empress Maria Theresa. 2. She was only 14 years old when she married the future Louis XVI.

Which state has 1350 miles of coastline?

Florida has the longest coastline in the contiguous United States, encompassing approximately 1,350 miles (2,170 km), and is the only state that borders both the Gulf of Mexico and the Atlantic Ocean.

Why do you vote on Tuesday?

In 1845, the United States was largely an agrarian society. Farmers often needed a full day to travel by horse-drawn vehicles to the county seat to vote. Tuesday was established as election day because it did not interfere with the Biblical Sabbath or with market day, which was on Wednesday in many towns.