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lyudmila [28]
3 years ago
15

If an object that enters the Earth’s atmosphere does not completely disintegrate, its remains can impact the Earth. True or Fals

e?
Chemistry
2 answers:
Alexxandr [17]3 years ago
4 0
The answer is true hope this helps :)
zvonat [6]3 years ago
4 0

Answer: True

Explanation:

The meteorites or other objects entering from the earth atmosphere from the solar system. Some of these small sized objects are subjected to ablation in the earth atmosphere. They get destroyed in the atmosphere. But objects which are larger in size they remain unaffected and hit the surface of earth with explosion. These objects appear as shooting stars.

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Which element is likely to have the highest thermal conductivity
AlexFokin [52]
Gallium, due to its metal properties, which tend to conduct electricity and heat quite well.
3 0
3 years ago
I haven't done any science assignments of the unit we are learning and I have no clue at all what it's all about...what is activ
IceJOKER [234]
Active Transport: Moves ions and molecules from lower to higher concentrations using energy.

Passive Transport: Move ions and molecules from high to lower concentrations without using energy.

The main difference is one uses ATP (energy) and the other does not.

4 0
3 years ago
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Name two elements that have properties similar to those of beryllium and have average atomic masses higher than 130
sertanlavr [38]
In the periodic table, elements of the same group are characterized by having the same similar properties.
So, first we will check the elements that lie within the same group as <span>beryllium  and then we will attempt to choose the elements with atomic mass higher than 130.

So, elements in the same group as </span>beryllium are: magnesium, calcium, strontium, barium and radium.
Among these elements, we will find that:
radium has atomic mass of 226 amu
barium has atomic mass of 137.327 amu

Based on this, the two elements would be barium and radium.

3 0
3 years ago
Using only the groups of the periodic table, choose one element that is chemically similar to each of the following elements.
zhenek [66]
Elements that are in the same columns (vertical) are chemically similar.

Carbon- Si
Cesium- Na
Krypton- Ar
Magnesium- Ca
Al- try Boron
Br try Cl

These are just the ones I picked but it could be any in the same column
4 0
3 years ago
Which three temperature readings all mean the same thing?
allochka39001 [22]

Answer: The correct answer is D. 273 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit.

Explanation:

Conversion of degree Celsius to Kelvin :

K=^oC+273

Conversion of degree Celsius to degrees Fahrenheit :

^oF=(\frac{9}{5}\times ^oC)+32

By using these two conversion factors, we get the three temperature readings all mean the same thing.

For option A :

K=^oC+273=100+273=373K

^oF=(\frac{9}{5}\times ^oC)+32=(\frac{9}{5}\times 100)+32=212^oF

For option B :

K=^oC+273=100+273=373K

^oF=(\frac{9}{5}\times ^oC)+32=(\frac{9}{5}\times 100)+32=212^oF

For option C :

K=^oC+273=0+273=273K

^oF=(\frac{9}{5}\times ^oC)+32=(\frac{9}{5}\times 0)+32=32^oF

For option D :

K=^oC+273=0+273=273K

^oF=(\frac{9}{5}\times ^oC)+32=(\frac{9}{5}\times 0)+32=32^oF

From the given options, only option (D) is correct.

Hence, the correct option is, (D) 273 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit

Hope this helps!

8 0
3 years ago
Read 2 more answers
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