Explanation

• according to some scientists, 100 Billion galaxies are there in the universe
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• Hubble reveals an estimated 100 billion galaxies in the universe or so,
• but this number is likely to increase to about 200 billion 
  
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• IN 2021:
• a previous measurement by the Hubble Space Telescope suggested there were 2 trillion galaxies spread across the universe. But the latest discovery counts only hundreds of billions of galaxies instead
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• in 2022:
• The Hubble Deep Field, an extremely long exposure of a relatively empty part of the sky, provided evidence that there are about 125 billion (1.25×1011) galaxies in the observable universe.
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• Hubble is the name of the Space Telescope named by Edwin Hubble, in the 1920s
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Explanation

• Hookworm larvae can enter the body via any component that comes in touch with inflamed soil, although most often they penetrate the skin of the feet. within the body, they tour thru the lungs to the gut, in which they'll grow into adults.
• Hookworm larvae are discovered in human feces and transmitted to humans from contaminated soil via the skin, usually because of walking barefoot, or by means of by chance eating contaminated soil.  once in the body, larvae are carried via the bloodstream to the lungs and mouth where they are swallowed, digested and handed to the small gut.

Explanation

Iodine and sodium are essential for animals and are not required by most of the plants however, iodine is found in certain marine algae.

Explanation

Answer:

B

• Electric impulse also called  Nerve impulse
•  Messages in the form of electrical impulses are constantly moving back and forth between the brain and other parts of the body. A special cell called a neuron is responsible for sending these messages.

Explanation

• the top of a match makes use of antimony trisulfide for fuel.
• Potassium chlorate allows that gasoline burn and is largely the important thing to ignition,
• while ammonium phosphate prevents the match from smoking an excessive amount of whilst it is extinguished.
• Wax enables the flame journey down the matchstick and glue holds all the stuff collectively.
• The heads of safety matches are composed of a single part. They contain antimony trisulfide, potassium chlorate, sulfur, powdered glass, inert fillers, and animal glue.
• they will additionally encompass a water-soluble dye.
  
  

Explanation

Mitosis Stages:

Karyokinesis: Division of the nucleus (prophase, metaphase, anaphase, telophase).

Cytokinesis: Division of the cytoplasm (occurs after karyokinesis).

Explanation

The correct unit of the rate constant for a zero-order reaction is mol dm⁻³ s⁻¹ or mol L⁻¹ s⁻¹. 

Explanation

Explanation

The red one is positive (+), the black one is negative (-).

Never connect the red cable to the negative battery terminal or a vehicle with a dead battery

Explanation

• the near point of normal human eyes is 25 cm
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• A normal eye can see objects clearly that are between 25 cm and infinity.
  
• The near point of the human eye is 25cm, which is defined as the shortest object distance that a typical eye is able to accommodate or to make the image fall on the retina.
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• The human eye consists of the following parts: Sclera, Retina, Cornea, Lens, Pupil, and Optic nerve.