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notsponge [240]
3 years ago
8

What are the precautions must be taken while measuring an object with the help of a scale?​

Biology
2 answers:
Trava [24]3 years ago
7 0
Make sure to zero out the scale especially if you’re using something to hold the object. For example, make sure to zero out the scale with the cup before pouring water on it.
charle [14.2K]3 years ago
6 0

Make sure to zero out the scale with the cup before pouring on it

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Which characteristics can be used to differentiate star systems?
Sergio039 [100]

in the stars are three main system so I shall say the difference is that they are not in right position

5 0
3 years ago
Explain the differences between normal air circulation and how the air behaves when a temperature inversion occurs.
Varvara68 [4.7K]

Temperature inversion or thermal inversion is a phenomenon during which the temperature increase when there is an increase in the altitude. It is an uncommon process that happens in the troposphere-the layer of atmosphere closest to the earth.    

When there is an increase in temperature with altitude, that warm air acts as a blockage for the cool air near the surface of the earth. So this is just opposite to the normal behavior of the air, where it becomes cooler with an increase in altitude.

So how air circulation behaves during inversion?

So as we said that the cool air nearer to the earth will be blocked by a layer of warm air. This blockage will hinder the circulation of air upwards from the lower layers. Let’s see how:

• As we know that, warm air is less dense and more buyout than cool air and normally less dense warm air is close to the earth and cool air is in above layers. But when the process is reversed, this warm air acts like a blanket for the proper circulation of air. Due to this, many environmental pollutants which normally leave the earth during air circulation get trapped in our air.  

• The trapped environmental pollutants like nitrogen oxides and hydrocarbons get convert into harmful ozone that ultimately deteriorates the quality of air and causes problems like smog.

• The improper air circulation also causes suspension of the harmful gases near the earth instead of allowing them to leave the earth atmosphere. This ultimately causes air pollution.  

• When smoke will not rise, carbon dioxide will be build up in the atmosphere; this will cause greenhouse effect and global warming.

Therefore, air circulation behaves very different during temperature inversion process and poses hazardous effects on global climate.

Hope it helps! :)

6 0
4 years ago
In mice, the gene for tail length has two alleles. A long tail is dominant to a short tail. If a long-tailed mouse that is heter
Anika [276]

Answer: 50%

Explanation: just answered this question

7 0
3 years ago
What is the realtionship between the cell cycle and cancer ?
lesantik [10]

Answer:

the between the cell cycle and cancer is usually that cancer, in any of its various forms, causes disruptions in the cycle to the effect that cells are no longer able to reproduce and divide in a normal way. There are many different kinds of cancers, and likewise many different sorts of cells.

Explanation:

5 0
3 years ago
The human genome project identified the sequence of base pairs in human DNA and identified several genes. Which question would l
Sergio [31]

Answer:

I believe the correct answer is "How can DNA be used to identify criminals?".

Explanation:

The question asks to pick the question that is least likely to lead to a scientific investigation based on these findings. The question states that the HGP identified sequences of base pairs in human DNA as well as many genes. The other questions were very likely to have arisen bases off of these findings. Criminal identification based on DNA is not the focus of the Human Genome Project.

7 0
3 years ago
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