Explanation

Explanation

• On Earth, surface water covers 70% area.
• 70-71 percent of the Earth's surface is water-covered.
• The oceans hold about 96.5 percent of all Earth's water.
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• This includes oceans, rivers, lakes, glaciers, and groundwater.
  

Explanation

Thalassemia is a genetic blood disorder caused by an abnormality in hemoglobin production.

It leads to reduced oxygen-carrying capacity of red blood cells.

Explanation

Lipid-rich components of bacterial cells present in the bacterial membrane.

Bacterial membranes present a large diversity of amphiphilic lipids.

Explanation

Dialysis is a medical treatment used when the kidneys are unable to filter waste products from the blood, typically in renal (kidney) failure.

It helps maintain proper fluid and electrolyte balance in the body.

Explanation

About 97% of the Earth's water is contained in the oceans, which is saltwater.

The remaining 3% is freshwater, but most of it is frozen in glaciers and polar ice caps.

Only about 0.3% of the Earth's water is freshwater that is readily available for human consumption, agriculture, and other uses.

Explanation

Mercury (Hg) is used in thermometers.

Because it expands and contracts consistently with temperature changes.

It providing accurate readings.

It also emits ultraviolet light in fluorescent tubes when electrically excited.

Explanation

The chemical formula for tetrafluoroethylene is C₂F₄.

Key points about Teflon:

Chemical name: Polytetrafluoroethylene (PTFE)

Monomer: Tetrafluoroethylene

Notable property: Highly non-stick surface, often used in cooking utensils

Explanation

Motion occurs when a body changes its position relative to another body or its surroundings.

It can be described in terms of displacement, velocity, and acceleration.

Explanation