Do marine mammals produce milk?

Do marine mammals produce milk? Do whales produce milk? The need for milk is an essential part of the development of any young mammal, and being aquatic makes breastfeeding considerably harder. Nursing their young with milk is one of the things that defines mammals, so whales definitely do have mammary glands and they do produce […]

What is the torque angle method?

What is the torque angle method? With the torque- angle tightening method an initial tightening torque is specified, known as a snug torque (whose purpose is to pull – or ‘snug’ – the plates of the joint into metal to metal contact). An angle of turn is then specified for the bolt/nut to be rotated […]

Why do I get insomnia after drinking?

Why do I get insomnia after drinking? Alcohol has sedative effects that can induce feelings of relaxation and sleepiness2, but the consumption of alcohol – especially in excess – has been linked to poor sleep quality and duration. People with alcohol use disorders commonly experience insomnia symptoms. Is insomnia a side effect of alcoholism? Individuals […]

What is an iceberg?

What is an iceberg? An iceberg is ice that broke off from glaciers or shelf ice and is floating in open water. Icebergs are also classified by shape, most commonly being either tabular or non-tabular. Tabular icebergs have steep sides and a flat top. What is the difference between a iceberg and a glacier? Glaciers […]

What is President Polk saying?

What is President Polk saying? More than any other President, Polk pursued “Manifest Destiny,” a phrase coined by his fellow Jacksonian Democrat, John L. O’Sullivan, to express the conviction that Providence had foreordained the United States to spread its republican institutions across North America. What was a popular slogan said by John K Polk when […]

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