Explanation

• Gases can be converted into liquids by cooling, a process known as condensation.
• As the temperature decreases, the particles of the gas slow down and come together, forming a liquid.

Explanation

Bromine is the only non-metal that remains in liquid form at room temperature.

It is a reddish-brown liquid with a strong odor and is highly reactive.

Explanation

Bile juice is produced by the liver.

It is stored in the gall bladder.

From the gall bladder, it is released into the small intestine.

Bile juice aids digestion.

Explanation

Nitrogen (N2) is the most abundant gas in the Earth's atmosphere

They make up about 78% of the atmosphere's composition.

Oxygen (O2) is the second most abundant gas

Explanation

Echidnas and platypus are the only egg-laying mammals, known as monotremes.

Explanation

The inner cylinder that carries light.

It's made of glass or plastic.

It has a high refractive index. 

The middle cylinder that surrounds the core.

It has a lower refractive index.

It's typically made of glass, plastic, or silicone.

The outer layer that protects the fiber.

It's usually made of plastic or another material.

Explanation

In 1928, at St. Mary's Hospital, London, Alexander Fleming discovered penicillin.

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ND30-12-2022

Explanation

Explanation

Explanation

Compressed natural gas (CNG) has the same chemical composition as methane, which is the primary component of Sui gas: 

Chemical formula

The chemical formula for CNG is CH4, which is also the chemical formula for methane. 

Composition

Sui gas is made up of 60–90% methane, 0–20% ethane, 0–20% propane, and 0–20% butane