Explanation

The distance between the optical center and the principal focus is called the focal length of the lens.

while

A negative focal length indicates that the system diverges light.

Explanation

Hypertension (high blood pressure) is a non-viral disease.

Whereas HIV/Aids, Measles, and Influenza are all viral diseases.

Explanation

An anemometer is an instrument that measures wind speed.

This type of anemometer has a spinning wheel.

Explanation

 Titanium element has an atomic number of 22 and a mass of 47.90

Explanation

Explanation

Explanation

Undernourishment:

the proportion of undernourished people as a percentage of the population (reflecting the share of the population with insufficient caloric intake)

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The term malnutrition addresses 3 broad groups of conditions:

undernutrition, which includes wasting (low weight for height)

stunting (low height-for-age)

and underweight (low weight-for-age)

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ND1-2-2023

Explanation

•  The film of the Camera is analog to the retina in the human eye 
  
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• The retina is a thin membrane that covers the internal lower back of the attention.
• Like film in a camera, the retina is the light-touchy surface in which photos from the outdoor international come to a focus.
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• The retina gets those photographs with thousands and thousands of microscopic photoreceptor cells called rods and cones. 
• The retina includes two regions known as the macula and the fovea. 

Explanation

the term cyclone is defined as. A system of winds that are rotating inwards to an area of low barometric pressure

Cyclones are created by the differences in air pressure.

Explanation

Photosynthesis in plants occurs faster in white light.

Because it contains all the wavelengths necessary for the process.