Explanation

• A cataract is a clouding of the lens in the eye that affects vision.
• It is a common age-related condition that can cause blurry vision, double vision, and sensitivity to light.
• Cataracts can be treated with surgery to remove the cloudy lens and replace it with an artificial lens.

Explanation

The lifespan of white blood cells ranges from 13 to 20 days, after which time they are destroyed in the lymphatic system.

When immature WBCs are first released from the bone marrow into the peripheral blood, they are called "bands" or "stabs."

Explanation

• H5N1 is a type of influenza virus that causes a highly infectious
• ...........
• H5N1 also known as avian influenza.
  
• ...............
• H5N1 virus occurs mainly in birds, is highly contagious among birds, and can be deadly, especially in domestic poultry

Explanation

Altimeters:

Function:

It primarily measures altitude by detecting changes in atmospheric pressure. 

Aviation use:

Pilots heavily rely on altimeters to determine their aircraft's height above sea level during flight. 

Types:

There are different types of altimeters including pressure altimeters and radio altimeters. 

Explanation

“Tooth Decay” due to the deficiency of Fluorine.

Tooth decay occurs when foods containing carbohydrates sugars and starches are left on the teeth.

Explanation

Explanation

Jupiter is the biggest planet

It is the largest planet in the Solar System according to size.

Saturn is the second largest planet in our solar system.

Mercury Planet has the smallest diameter

Moon One is not a planet

Venus planet has no moon

Saturn planet has the highest number of moons

Mars is sometimes called the Red Planet.

**

These are the 8 planets

1. Mercury

2. Venus

3. Earth

4. Mars

5. Jupiter

6. Saturn

7. Uranus

8. Neptune

Explanation

Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is produced when coal is burned without sufficient oxygen.

CO is highly toxic.

It can be deadly in high concentrations, as it displaces oxygen in the bloodstream.

Explanation

Chemical energy is stored in a dry cell.

A dry cell is a device that converts chemical energy into electrical energy.

Chemical energy is the energy stored in the bonds of atoms and molecules. 

Explanation

The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second. That's about 186,282 miles per second.

A universal constant is known in equations as "c," or light speed.

The speed of light in air is 2.9 × 10⁸ m/s.