what does the clear plastic covering used in your lab set up ?

What Does The Clear Plastic Covering Used In Your Lab Set Up ?

Answers

Answer 1

Answer:

Explanation:

Polyethylene

Polyethylene or polythene is the most abundant manufactured plastic material. Polyethylene is generally available as thin transparent sheets which are used for making packings for solid test sample powders and other containers such as bottles.

With a few exceptions, individual cells cannot be seen with the naked eye, so scientists must instead use microscopes (micro- = “small”; -scope = “to look at”) to study them. A microscope is an instrument that magnifies objects otherwise too small to be seen, producing an image in which the object appears larger.

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Related Questions

Question: How did geography shape the political development (structure of government) of ancient Greece

Answers

Answer:

The mountains isolated Greeks from one another, which caused Greek communities to develop their own way of life. Greece is made up of many mountains, isolated valleys, and small islands. This geography prevented the Greeks from building a large empire like that of Egypt or Mesopotamia.

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How can our society progress?​

Answers

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Social progress is often improved by increases in GDP, although other factors are also relevant.

question that related to the topic

Why is progress important to society?

Social progress is a necessary component of development. Healthy and educated individuals are far more able to contribute to the well-being and advancement of their societies.

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which of the following pairs of b countries share a border? belgium & bulgaria brazil & bolivia belize & barbados belarus & bangladesh

Answers

Based on geographical analysis, the pair of B countries that share a border is "Brazil and Bolivia."

Where are Brazil and Bolivia?

Both Brazil and Bolivia are located in South America continent.

Bolivia is located in the west of Brazil.

Brazil is surrounded by countries like Paraguay, Uruguay, Peru, Bolivia, Colombia, Venezuela, among others.

Hence, in this case, it is concluded that the correct answer is option B. Brazil and Bolivia.

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how will cities need to change to accommodate growth- multiple examples

Answers

Cities can change to accommodate a growing population by building industries to allow for the employment of teeming youths. Provision for housing, increased exportation, and favorable economic policies should also be put in place to facilitate growth.

For a city with a fast-rising population, it is imperative that accommodation be made for the young ones.

The government should build industries that will get the population usefully engaged.

Good economic policies that will strengthen the nation should be made. Housing is another factor that should be catered to, so that the populace can have shelter.

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give one example of catastrophic global change

Answers

Answer:

the decrease of biodiversity and species

Explanation:

Measured by weight, or biomass, wild animals today only account for four percent of mammals on Earth, with humans (36 percent) and livestock (60 percent) making up the rest.

According to cell theory, all living organisms are made of — A. cells, and all have similar needs, such as a source of energy. B. tissues that perform a different function. C. organelles that formed from a variety of cells. D. organs, and all have different needs, such as source of oxygen.

Answers

Answer:

A, I believe

Explanation:

Which practices can be used to protect our supply of freshwater?

reduce trade restrictions
increase conservation
reduce dependence on fertilizers and pesticides
decrease biodiversity
improve waste management systems

Answers

Hope this helps in your study

When you think of the word “Africa,” what images or ideas come to mind? Where do these ideas come from?

Please help this is due today and I really need help.

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Answers

Answer:

I personally think of the wildlife and tribes of Africa :)

Explanation:

These ideas come from the influence of the media

The reliable paleoclimate record from the Antarctic and Greenland ice cores provides information back to approximately ________ years ago. A. 65 million

Answers

Based on the information given, it can be deduced that the reliable paleoclimate record was about 800,000 years ago.

Paleoclimatology simply means the study of the climate of the Earth. It's the study of climates where direct measurements were not taken.

It should be noted that the reliable paleoclimate record from the Antarctic and Greenland ice cores provides information back to approximately 800,000 years ago.

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What is the main religion in the shaded region?
A) Hinduism
B)Buddhism
C)Islam
D)Christianity

Answers

Answer:

Option C, Islam.

Explanation:

The shaded region is very close to regions like Arabia, Pakistan, South Africa, and more like Dubai. In these places, only Islam can be followed.

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PLS ANS FAST.
Name the process of wind erosion in which the loose particles of sand act as a sand paper.

Answers

Answer:

Abrasion is the answerrr

Which of the following would be a PUSH factor of a country?
A. High Life Expectancy
B. Large Gross Domestic Product
C. Overpopulation
D. Large infant mortality rate

Answers

Answer:

D

Explanation:

A push factor is pushing migrants away from a country having a mortality rate of children would puah anyone away

What climate zone are you in if the temperatures are always very warm? Where is this zone located on Earth.

Answers

You are near the equator, which is part of the tropical zone

What can political and economists in other nations learn from the issues Sweden has dealt with ?

Answers

Answer:

engaged in global markets.

Explanation:

Image result for What can political and economists in other nations learn from the issues Sweden has dealt with ?

Nordic countries show that major egalitarian reforms and substantial welfare states are possible within prosperous capitalist countries that are highly engaged in global markets. But their success undermines the view that the most ideal capitalist economy is one where markets are unrestrained.

can you help? thank you..

Answers

Answer:

The answer is normal fault

Explanation:

normal fault- an inclined fault in which the hanging wall appears to have slipped downward relative to the footwall common fault, gravity fault inclined fault- a geological fault in which one side is above the other.

what is the equation parallel to y=3/5x-7 and passes through (15,8)

Answers

y=3/5 x − 7  

slope = 3/5

parallel lines, slope is the same and slope = 3/5

passes through (15, 8)

b = y - mx

b = 8 - (3/5)(15)

b = 8 - 9

b = -1

equation

y = 3/5(x) - 1

megathrust faults occur on which type of tectonic plate boundary?

Answers

Answer:

they occur at convergent plate boundaries

Activity
The Tuareg are a Berber community of traditionally nomadic peoples. They make their homes in the Sahara desert of North Africa. Review this
brief description of their lifestyle C, and compare it to your own day-to-day life. In the table below, describe 6-10 details about the Tuareg
community's way of life that are in clear contrast to your family's way of life.

Answers

Okay I’ll call when I

Drag the country to the correct box

Answers

Answer:

Explanation:

malaysia - Malaysia: Food and beverage and semiconductors the mainstays of the economy

With a nominal GDP of around $452bn, Malaysia is the 6th largest economy. The country’s strength is its industry production, with around 4% of production focussed on machinery. The largest sectors are food and beverage, accounting for 22.5% of total output, semiconductors and electronic components (19.2%) chemicals and pharmaceuticals (10.1%) and electrical/electronic equipment and metals both accounting for just over 9% of total output.

vietnam : has become a largest financial centre

Vietnam: High tech is the motor of economic and social change      

low paid jobs : singapore

For an ecosystem to be classified as a forest, more than
of the land must be covered by trees.
50 percent
10 percent
20 percent
90 percent

Answers

Answer:

10%

Explanation:

According to the UN FAO

in homes located in areas having a history of ice forming along the eaves an ice barrier consisting of at least _____ layers of underlayment cemented together

Answers

Answer:

There would be at least two layers

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Most of Central America was colonized by

Question 19 options:

Spain.


France.


Great Britain.


the Netherlands.

Answers

Answer:

Spain

Explanation:

most countries in central America were colonies of Spain

The answer is Spain! Hope that helps

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Is the density of an object and the hardness of an object related? Why or why not? PLZZZ

Answers

Yes, Density is directly related to the mass and the volume. In fact, it tells us of the exact relationship between the two. To find an object's density, we take its mass and divide it by its volume

Answer:

Answer Wiki. Since hardness measurement involves only surface of the material, bulk density of the material does not have any explicit relation with the hardness. Materials are usually subjected to microstructural and/or chemical changes in the surface by carbiding, nitriding and other processes, many times by cold working.

Explanation:

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How does oceanic current affect weather?

Answers

Answer:

Ocean currents act as conveyer belts of warm and cold water, sending heat toward the polar regions and helping tropical areas cool off, thus influencing both weather and climate. ... The ocean doesn't just store solar radiation; it also helps to distribute heat around the globe.

Explanation:

It sends heat towards the polar regions to help tropical whether cool off.

What was the most significant Strength and Weakness for The American and British Army? Use video"British and American Strengths and Weaknesses" by Waldo Middle School Social Studies

Answers

Answer:

British Strengths:

*Some of those funds were used to hire Hessian mercenaries to fight the Americans.

*Britain's military was the best in the world. Their soldiers were well equipped, well disciplined, well paid, and well fed.

*The British navy dominated the seas. Funds were much more easily raised by the Empire than by the Continental Congress.

British Weaknesses:

*The British had an extremely difficult objective. They had to persuade the Americans to give up their claims of independence.

*The geographic vastness of the colonies proved a hindrance to the British effort. Despite occupying every major city, the British remained as at a disadvantage.

*The British fought a war far from home. Military orders, troops, and supplies sometimes took months to reach their destinations.

American Strengths:

*Americans had a grand cause: fighting for their rights, their independence and their liberty.

*This cause is much more just than waging a war to deny independence. American military and political leaders were inexperienced, but proved surprisingly competent.

*The war was expensive and the British population debated its necessity. In Parliament, there were many American sympathisers. Finally, the alliance with the French gave Americans courage and a tangible threat that tipped the scales in America's favour.

Americans Weaknesses:

*The Americans had tremendous difficulty raising enough funds to purchase basic supplies for their troops, including shoes and blankets.

* The British had a winning tradition. Around one in five Americans openly favoured the Crown, with about half of the population hoping to avoid the conflict altogether.

*Most Indian tribes sided with Britain, who promised protection of tribal lands.

Explanation:

the former international border between east germany and west germany is best described as

Answers

Answer:

Berlin Wall

Explanation:

that's what the border used to be

5. The point in Earth's interior where the energy release of an earthquake occurs is the:

A. Focus

B. Epicenter

C. Shadow zone

Answers

The point within the earth where the fault rupture starts is called the focus or hypocenter. This is the exact location within the earth were seismic waves are generated by sudden release of stored elastic energy.

The point in Earth's interior where the energy release of an earthquake occurs is the focus. The correct option is a.

What is an earthquake?

An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.

Earthquakes can range in intensity, from those that are so weak that they cannot be felt, to those violent enough to propel objects and people into the air, damage critical infrastructure, and wreak destruction across entire cities. The seismic activity of an area is the frequency, type, and size of earthquakes experienced over a particular period. The seismicity at a particular location on the Earth is the average rate of seismic energy release per unit volume. The word tremor is also used for non-earthquake seismic rumbling.

At the Earth's surface, earthquakes manifest themselves by shaking and displacing or disrupting the ground.

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A(n) ________ pattern of drainage usually develops on alternating bands of hard and soft strata on the surface.

Answers

Answer:

trellis

Explanation:

I AM RIGHT

How were patterns of trade affected after the opening of this major engineering project?

Answers

Answer:trading ships could travel easier around south america

Explanation:

Trade liberalization came initially, followed by vertical specialization, income convergence, and changes in regional and global trade patterns.

What are global trade patterns?

Trade is the process by which nations exchange commodities and services. A country's purchases are referred to as imports, and its sales to other nations as exports.

Developed nations account for a larger portion of world trade than developing nations. A country's import and export balance, as well as its overall commerce with the rest of the globe, are likely to alter throughout time.

Net exports, which are determined by subtracting imports from exports, are what determine a nation's trade balance, which is affected by all the variables that influence global commerce.

Trade policy, exchange rates, foreign currency reserves, factor productivity, inflation, and demand are a few of them. The sale or acquisition of goods or services across international borders is referred to as global trade.

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in the stratosphere, which important feature blocks harmful rays from the sun?

Answers

The ozone is an important feature which blocks out the radiation
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