Explanation

Explanation

The skin is considered the largest organ of the human body.

It covering an area of about 1.5-2 square meters (16-22 square feet).

It weighing around 3-4 kilograms (7-9 pounds).

Explanation

Explanation

• The most abundant component in Earth's atmosphere is nitrogen, making up about 78% of the air.
• The second most abundant gas is oxygen, which makes up about 21% of the air.
• Hydrogen and carbon dioxide are both present in the air, but in much smaller amounts than nitrogen and oxygen.

Explanation

Amylase is an enzyme that catalyzes the hydrolysis of starch into sugars.

All amylases are glycoside hydrolases.

It is used in breadmaking.

Additional information:

Protease: 

is an enzyme that catalyzes proteolysis.

Lipase:

Is an enzyme that catalyzes the hydrolysis of fats.

Peptidase:

is an enzyme that breaks down peptides into amino acids.

Explanation

Aluminum, Gold, and Graphite are conductors.

1. Aluminum is a metal that conducts electricity and heat.
2. Gold is an excellent conductor of electricity and heat.
3. Graphite is a form of carbon that conducts electricity. 

Explanation

Calorie is a larger unit of energy.

1 Calorie ≈ 4.184 Joules.

1 Joule = 10⁷ Ergs.

1 Electron Volt (eV) = 1.602 × 10⁻¹⁹ Joules.

Calorie is commonly used to measure energy in food and metabolic processes.

Explanation

• The Soviet Union launched the first artificial satellite in space.
• It named Sputnik 1, on October 4, 1957.

Explanation

Camels can survive up to 15 days without water.

One of the reasons that camels can survive that long is because of their humps.

Camel means اونٹ

Explanation