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Mazyrski [523]
3 years ago
11

Which of the following is an example of condensation nuclei

Biology
1 answer:
lianna [129]3 years ago
5 0

I think it’s all of the above because they can all be found in the air and in water sources

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The resolving power of the earliest electron microscopes was at least ten times higher than that of the light microscopes, mainl
ki77a [65]

The resolving power of the earliest electron microscopes was at least ten times higher than that of the light microscopes, mainly because the wavelength of electrons is much shorter than the wavelength of light.

The electron microscope uses a beam of accelerated electrons to magnify the object whereas the light microscope uses visible light for this purpose. Unlike the light microscope, the electron microscope uses electromagnets as lenses.

The magnification of the electron microscope is much higher as compared to the light microscope and it produces high-resolution images. However, the Specimen preparation of an electron microscope takes several days while the Specimen preparation of the light microscope takes only a few minutes.

If you need to learn more about electron microscopes, click here

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6 0
1 year ago
A car drives 23 m/s east for 35 seconds. What is the displacement of the car in this time?
trapecia [35]

Answer: 805m east

Explanation:

From the data above v=23m/s, t=35s

Average velocity= Displacement/Time.

Displacement= Average velocity X Time.

Displacement= 23 X 35= 805m

So, the correct answer is 805m east.

3 0
3 years ago
Which of the following is TRUE? Species on Earth today are just a fraction of all species that ever lived. The number of species
Orlov [11]

Answer:

Until recent history,extinctions have always happened gradually and on a small scale.

Explanation:

Extinction occur when environmental factors like natural disaster,habitat fragmentation,over exploitation,global change don't favor the survival of species thus gradually leads to extinction of species.

Some times human activity becomes the major problem for extinction.More over,poor reproduction,decline in population number and genetic inbreeding also leads to extinction.

99% of all species that exist on earth become disappeared.

Evolution leas to speciation which leas to formation of new species but species become extinct when they are unable to survive against competition.

8 0
3 years ago
In a certain population of wolves, a mutation takes place and several wolves
Valentin [98]

Answer:

According to the theory of evolution by natural selection wolves with mutations will outgrow the wolves without mutation.

Explanation:

Nature always poses challenges to the living organisms in various forms like climate change, food scarcity, natural disasters, etc. If an organism has a characteristic to survive better than the other, then they will be selected by the nature. We can also use the term fitness for this. Darwin also referred about this as reproductive fitness which means only those organisms which are fit in their environment produce more progeny and increase in number. s we can see that the introduction of mutation has added the advantage of being faster and stronger, so when it comes to competition for food the wolves with mutation can easily catch the predator than wolves without mutation. Since mutation has resulted in better adaptation to their environment they will outgrow in number.

5 0
3 years ago
If you used a slingshot to launch a bowling ball and a baseball with the same force, which would go further? Explain your reason
Alex Ar [27]

Answer: The baseball will go farther because of Newton's law. The more mass an object as, the more force needed to move it. The bowling ball has more mass than a baseball so more force is needed to move it.

Explanation:

8 0
2 years ago
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