Explanation

Solid carbon dioxide, also known as dry ice

It is a cooling agent that has a lower temperature than water ice and is solid

It is extremely cold, with a temperature of −109 °F (−78 °C). 

Explanation

Ethyl alcohol, or ethanol, is commonly used in perfumes as a base solvent.

It helps dissolve fragrance oils and allows the scent to disperse evenly when applied.

Explanation

Explanation

Potential energy is the energy an object has due to its position or state.

For example, being elevated in a gravitational field.

It can potentially do work if it moves.

Explanation

To make an uncharged object have a negative charge, we must add electrons, which carry a negative charge.

This process increases the overall negative charge of the object.

This leading to an excess of electrons over protons.

Explanation

Gold, silver, and copper are natural minerals found in the earth.

It valued for their distinct properties and wide range of uses.

Explanation

Formic acid is present in the sting of ants.

It causes a sharp, burning sensation and irritation when injected into the skin during an ant sting.

Explanation

The material used in blood clotting is made up of protein, specifically:

• Fibrinogen (a protein in blood plasma)
• Thrombin (an enzyme that converts fibrinogen into fibrin)
• Fibrin (a protein that forms the clot)

Explanation

Humidity refers to the amount of water vapor present in the air.

It affects the moisture levels and can influence weather and climate conditions.

Explanation

Richer Scale is used for measuring Strength of an earthquake.

The intensity of earthquake is measured by Richter Scale.

Richter Scale was invented in 1935.