Explanation

Digital TVs do not emit Y or X-rays.

They emit electromagnetic radiation in the form of radio waves to transmit audio and video signals.

X-rays are a form of ionizing radiation used in medical imaging and other specialized applications,

but they are not produced by digital TVs.

Explanation

A mature tree absorbs carbon dioxide at a rate of 48 pounds per year.

In one year, an acre of forest can absorb twice the CO2 pgroduced by the average car's annual mileage.

Explanation

Penicillin works best on gram-positive bacteria by inhibiting peptidoglycan production, making the cells leaky and fragile

The cells burst open and are much easier for the immune system to break down, which helps the sick person heal more quickly.

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Related Question

Penicillin was discovered by Alexander Flaming In 1928

Penicillin was the first true antibiotic

Explanation

A cyclotron is a machine that accelerates charged particles or ions to high energies.

It was invented to investigate the nuclear structure by E.O Lawrence and M.S Livingston in 1934.

Explanation

Hemodialysis is a procedure where a dialysis machine and a special filter called an artificial kidney, or a dialyzer, are used to clean your blood.

Explanation

• Cu is the chemical symbol for copper
• Atomic Number: 29
• Element Type: Transition metal
• Main Uses: Electrical wires, plumbing pipes, and coins
• Properties: Great at carrying heat and electricity

Explanation

Light rays falling on a mirror undergo reflection and those falling on water undergo refraction.

Explanation

• A dry chemical Fire extinguisher can be used on all types of fire
• ***
• An ABC or Multi-Purpose Dry Chemical portable fire extinguisher is useful for Class A, B, and C fires.
• These units can be used on wood, paper, cloth, trash, flammable liquids, and energized electrical equipment.
• ***

• extinguishers بجھانے والے

  Carbon dioxide is used in fire ‘extinguishers’

  
  

Explanation

The tomato plant is usually grown in the tropics as a perennial plant.

but in other areas it is mostly grown as a annual plant

Explanation

Energy is stored in the form of glycogen in animals.