How did the scientists discover the common structure of cells

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Answer 1

Answer: i did some research and i found that: through use of a microscope. The first scientists to look at human tissues through a microscope were surprised to see that all human tissues are made up of little compartments. They called these 'cells' after the bedrooms of monks in monasteries

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Lenses in eyeglasses change the direction of light rays to help the lens of the eye form an image inside the eye . What process take place in the eyeglass lenses ?

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To make this process happen, the eye contains a lens between the retina and the pupil. The lens and the cornea, a transparent covering, then work together, focusing the image on the retina. Vision problems occur when the image focused on the retina is focused either too far back, resulting in farsightedness or too far in, resulting in nearsightedness. In combination with these conditions, glasses may also work to assist with those suffering from crossed eyes, where the eyes refuse to focus together, which produces two of the same object in the field of vision, which results in blurriness of both objects. How glasses correct these problems is determined by what kind of lens the glasses are made of. The two types of lenses are the plus and minus lens. The plus lens has a convex shape, which focuses images on the retina when the eye’s lens originally focuses the image too far back. The minus lens has a concave shape, which focuses images on the retina when the eye’s lens originally focuses the image too close. Different strengths of these lenses determine how far back or how far forward the focus should be brought so that the image is displayed correctly on the retina.

What is the difference between a permanent magnet and a temporary magnet

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A permanent magnet does not loose its magnetism easily. It can only be lost by permanent destruction say by fire. Example of this is magnetism from a bar magnet. This magnetism is not induced by say electric current.

A temporary magnet looses its magnetism easily. The magnetism is gained or loosed for the action of carrying out a particular task. This magnetism can be achieved by the gain or loss by passing of electric current over say an iron core.

Pernament magnet is one that retains its magnetic properties for a long period of time. Temporary megnet only maintains its magnetism while in a magnetic field produced by permanent magnet or electric current.

Why is a single system measurements necessary throughout the scientific community

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It is necessary because using different measures can lead to various issues that can even be deadly sometimes. An example can be if i tell you that something needs to be prepared to a 0 degrees, but i don't say that it should be 0 degrees celsius, you might get it to a zero degrees kelvin which is -273 celsius, a temperature where atoms stop moving completely. Or you might mix chemicals improperly and cause explosions.

Answer:

Because it's more convenient

in order to proof a validity of a certain research conclusion, it need to be examined by other experts in similar field. If, the research is conducted with different system of measurement, the scientist who wants to review the conclusion first need to make additional effort to convert all the numbers into the measurement that they are familiar with.

Explanation:

Who is Gregor Mendel? What type of organism did he study? What did he learn that helped us understand genetics?

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he did genectics and studied pea plants n he discovered fundermental laws

How are magnetic field lines and electric field lines alike

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Similarities between magnetic fields and electric fields: ... Magnetic fields are associated with two magnetic poles, north and south, although they are also produced by charges (but moving charges).

Name three insulators

Answers

Paper, rubber and glass are some examples of insulators.

Bubble wrap, wood, plastic and rubber

Other Questions

true or false the state of a medium helps determine the speed of sound passing through a medium

What is an example of a compressional wave?

need help with the ones that have numbers on the sides.#1 #2 #3 #4 please help.i will pick fair brainliest answer

Answer this please. thanks in advance!! please tel me a christmas tree lights are set up in series1. a set of lights has 50 bulbs what will be the voltage across each bulb?show your working out.