Explanation

Stage clips hold the slides in place. If your microscope has a mechanical stage, the slide is controlled by turning two knobs instead of having to move it manually.

Explanation

Cosmology as the branch of science is related to the study of Formation of Universe.

Cosmology is the study of the origin, development, structure, history, and future of the entire universe.

Edwin Powell Hubble is known as the father of Cosmology.

Edwin Powell Hubble was an astronomer from America. 

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Explanation

Albert Einstein is one of the most influential physicists of the 20th century.

In 1905 Einstein published four landmark papers in physics.

Einstein was awarded the Nobel Prize for his work on: Special theory of relativity

Albert Einstein received his Nobel Prize one year later, in 1922.

Explanation

•  CPR help when a person goes into cardiac arrest:  It helps blood flow to the brain
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• EMT RESCUE 1122 "CPR" related question":
• CPR stands for “Cardiopulmonary Resuscitation”.
• The compression rate during CPR should be 100- 150 compression per minute.
• You should compress the chest about 1.5 inches or 4 cm.
• Arriving first at the scene, you find an unresponsive person with no pulse that has thrown up. Your fee CPR is not something you are comfortable giving them. we would do the next best thing for Compression only CPR
•  More than a hundred times per minute should be the rate of chest compression while doing CPR.

Explanation

Carl Linnaeus was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the modern system of naming organisms.

Explanation

The first digital camera was invented by Steven Sasson, an engineer at Eastman Kodak, in 1975.

Sasson's camera used a monochrome Fairchild CCD image sensor.

It was the first self-contained electronic camera.

Explanation

• Stack method of dental estimation is used for Infants
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• The dental Age Estimation method for children is called Stack Method.
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• Stack method14
• This method measures the dry weight of the mineralized tooth cusps and gives the approximate age of the child.
• At 6 months of intrauterine life, the weight is 60 mg, in the newborn child,
• the teeth weigh 0.5 gm which increases to 1.8 grams after 6 months.

Explanation

China launched world's first Earth Science Satellite named “Guangmu” China has launched the world's first Earth-science satellite, Guangmu or SDGSAT-1 into space from the Taiyuan Satellite Launch Center in the northern Shanxi Province.

Explanation

The first fossils of prokaryotic (bacterial) cells are known from 3.5 and 3.4 billion years ago. 

while 

The eukaryotes developed at least 2.7 billion years ago, following some 1 to 1.5 billion years of prokaryotic evolution.

Explanation

David Encaston provided proof to suggest that the Earth`` was spherical