Can pure water conduct electricity?

Can pure water conduct electricity?

A solution conducts current when positive and negative ions are randomly dissolved in it. Pure water doesn’t have enough ions but when you add HCl you add a strong electrolyte so, after the addition, solution can conduct electricity very well.

What percent of calories does the brain use?

While a brain takes up about twenty percent, or 300, of a resting body’s 1300 calories a day, and while it has the potential to burn more, it’s estimated that most actual thinking only changes the amount of calories that the brain burns by around twenty to fifty calories per day.

What is the only man-made structure visible from space.

Spanning 21,196 km in length, the Great Wall of China is the only man-made structure visible from space.

Where did caesar salad get its name?

The salad’s creation is generally attributed to restaurateur Caesar Cardini, an Italian immigrant who operated restaurants in Mexico and the United States. Cardini was living in San Diego but also working in Tijuana where he avoided the restrictions of Prohibition.

Is a volcano a type of mountain?

A volcano is a landform (usually a mountain) where molten rock erupts through the surface of the planet. In simple terms a volcano is a mountain that opens downward to a pool of molten rock (magma) below the surface of the earth. It is a hole in the Earth from which molten rock and gas erupt.

Is central america considered North America?

In English-speaking countries, Central America is usually considered a region of the North American continent. Geopolitically, it usually comprises seven countries – Belize, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, and Panama.

Why is it called Greenland?

The name Greenland comes from Scandinavian settlers. In the Norse sagas, it is said that Erik the Red was exiled from Iceland for murder. He set out in ships to find land rumoured to be to the northwest. After settling there, he named the land Grfnland (Greenland), possibly to attract more people to settle there.

Is a psychiatrist a medical doctor?

A psychiatrist specializes in the diagnosis and treatment of mental disorders. Psychiatrists are medical doctors who must evaluate patients to determine whether or not their symptoms are the result of a physical illness, a combination of physical and mental, or a strictly psychiatric one.