Explanation

Autopsy is a medical examination performed on a dead body to determine the cause of death or study disease.

It involves analyzing organs and tissues post-mortem.

Explanation

• The speed of sound in air at 0°C (32°F) is 332 meters per second.

The speed of sound in different materials:

• Air: 332 m/s
• Sea water: 1530 m/s
• Lead: 2160 m/s
• Gold: 3240 m/s
• Brick: 3650 m/s
• Copper: 4760 m/s
• Glass: 5100 m/s
• Aluminium: 6420 m/s

Explanation

Increasing the energy of a sound wave amplifies its amplitude, resulting in a louder sound.

Loudspeakers work by converting electrical energy into sound energy, so higher energy input leads to a louder output.

Explanation

Natural Gas is also known as Methane.

The principal use of methane is as a fuel.

Natural gas is a fossil fuel energy source. 

Explanation

Malaria is caused by Plasmodium parasites.

The parasites are spread to people through the bites of infected female Anopheles mosquitoes, called "malaria vectors.

Explanation

Venus

Eight planets in the solar system

Explanation

In a direct relationship, one variable follows the same change when it comes to increasing and decreasing.

For example,

Ø  when the pressure increases then the temperature also increases.

Ø  When the pressure decreases, then the temperature decreases.

Explanation

Aluminum is the most abundant metal in the Earth's crust, and the third most abundant element therein, after oxygen and silicon.

Explanation

A nebula is a giant cloud of dust and gas in space.

Some nebulae come from the gas and dust thrown out by the explosion of a dying star, such as a supernova.

Explanation

The uterus is a hollow muscular organ located in the female pelvis between the bladder and rectum.