Explanation

Aids way to spread is Touch

AIDS stands for Acquired Immunodeficiency Syndrome.

HIV stands for Human Immunodeficiency Virus.

HIV attacks the immune system of the body 

AIDS virus has single-stranded RNA

AIDS is not a genetic disorder

Explanation

Antimony sulphide, sulphur, potassium chlorate are the chemicals present in match stick.

The head of safety matches is made of an oxidizing agent.

Such as potassium chlorate, mixed with sulfur, fillers, and glass powder.

Explanation

• The scientist who first discovered that the earth revolves around the sun was Copernicus.
• Earth's Rotational Theory:
  • Rotation can be defined as the spin of Earth on its own axis from west to east direction.
  • It must also be noted that the speed of rotation of the earth is not constant throughout latitudes.
    
  • It differs at different latitudes.

Explanation

The cave squeaker (Arthroleptis troglodytes) is a species of frog in the family Arthroleptidae.

It is endemic to the Chimanimani Mountains in Zimbabwe.

Explanation

Smallpox was eradicated in Pakistan in 1980, along with the rest of the world, as declared by the World Health Organization (WHO).

Explanation

• Most of our nutrient absorption takes place in the small intestine.
• Where specialized enzymes and absorptive cells (enterocytes) break down.
• It absorb nutrients from food into the bloodstream.

Explanation

• Hydrophobia, or fear of water, is a well-known symptom of rabies.
• A viral disease that affects the central nervous system.

Explanation

Gun powder is a mixture of sulphur, charcoal and potassium nitrate (KNO3).

Explanation

Fruit and vegetables are a good source of vitamins and minerals

 including vitamin C and potassium.

Explanation

A rain gauge is a meteorological instrument to measure the precipitating rain in a given amount of time per unit area.

The instrument consists of a collection container that is placed in an open area.