Who composed Canada's National anthem 'O Canada'?

The world's top three wine producers in descending order are:

Order the following cheeses from the cheese that contains the most grams of protein (per 100g of food) to the least.

Order the following vegetables from the vegetable that contains the most grams of carbohydrates (per 100g of food) to the least.

The greatest depth in the Pacific ocean is ________ feet.

Which of the following is the most recent technological invention?

What are the most common elements of the planet's crust, in descending order?

Hydrogen, Oxygen, Nitrogen, and Carbon are the four elements that make up life's building blocks.

Wounds infested with maggots heal quickly and without spread of gangrene or other infection.

Around the world there are at most 50 to 70 lightning flashes every second.

The furthest a fully grown kangaroo can jump is 8 yards.

Without insulin, a person can have excess sugar in his blood.

In nine months, a housefly could lay enough eggs to produce a layer of flies that would cover all of Germany.

A hippopotamus can open its jaws to an angle of 220 degrees.

Hailstones can kill.