General Knowledge

Wombats are marsupials that are often described as bear-like in appearance and build.

Light from the sun takes approximately 8 minutes and 20 seconds to reach Earth.

Dry ice is the solid form of carbon dioxide.

The Great Barrier Reef is large enough to be visible from space, unlike the other options listed.

Leonardo da Vinci was a polymath known for his contributions to both art and scientific study.

Retinol is the chemical name for vitamin A.

The Elbe River flows through the Czech Republic and Germany.

Christian Huygens was the first to correctly identify the nature of Saturn's rings in 1655.

Under ideal conditions, the human eye can see about 3,000 stars in each hemisphere, totaling roughly 6,000 visible stars in the entire sky.

Earth reaches aphelion, its farthest point from the sun, in early July.

Psychology is defined as the scientific study of the human mind and behavior.

Hydra is the largest of the 88 modern constellations by area.

Warmer air can hold more water vapor, so higher temperatures generally increase the capacity for water vapor in the air.

The heart is the central pump of the circulatory system.

Charles Darwin is best known for his work on the theory of evolution by natural selection, which he detailed in his book, On the Origin of Species. The other options refer to physics concepts unrelated to his work.

Valentina Tereshkova (USSR) became the first woman in space on Vostok 6 in 1963. Sally Ride was the first American woman in space (1983). Svetlana Savitskaya was the second woman in space (1982).

The Tolar was the currency of Slovenia from 1991 until 2007, when it was replaced by the Euro. Lira and Franc were currencies of other European nations.

Carbon dioxide is highly soluble in water, especially under pressure, forming carbonic acid. Oxygen and nitrogen have much lower solubility in water.

A non-luminous body does not produce its own light. The Moon reflects sunlight, making it non-luminous, whereas the Sun, stars, and fireflies are sources of light.

Meningitis is an inflammation of the protective membranes covering the brain and spinal cord. Cataract affects the eyes, and jaundice affects the liver.

Nicolaus Copernicus formulated the heliocentric model of the universe, which placed the Sun at the center of the solar system. Galileo later provided observational support for this model.

Heat energy naturally flows from a region of higher temperature to a region of lower temperature. This is a fundamental principle of thermodynamics.

An audiometer is a machine used for evaluating hearing acuity. Eudimeters measure gas volumes, and hydrometers measure liquid density.

The chemical symbol for Potassium is K, which is derived from the Latin word Kalium. Plumbum is Lead, and Stannum is Tin.