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Brut [27]
3 years ago
5

Which sentence best describes the axis of rotation of Earth? A. The axis changes the direction of its tilt over time. B. The axi

s has a slight tilt. C. The axis tilts so that it is almost horizontal. D. The axis does not have a tilt
Chemistry
2 answers:
monitta3 years ago
7 0

B for sure.

A is 100 % incorrect because the axis of the earth NEVER changes. if it did our earth would have lots of changes in climate and seasons.

NeTakaya3 years ago
4 0

I think it's A. because the Earth won't always have the same tilt throughout it's whole life. The tilt of the axis will change, even if it's just ever so slightly. I hope this helps and i hope i'm right :)

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Identify the substance that conducts electricity. question 19 options: 1) nacl dissolved in water 2) solid nacl 3) solid sugar 4
Delicious77 [7]

The substance that conducts electricity is NaCl dissolved in water.

So, option A is correct one.

When the sodium chloride dissolve in water , the sodium atoms and chlorine atoms separates under the presence of water molecules and exist as sodium cation and chloride anion . Now , they are free to move around in the water as positively and negatively charged ions . This separation of charge allows the solution to conduct electricity.

The solid NaCl and solid sugar does not conduct electricity because it is not dissolve in water . Similarly, sugar dissolved in water does not conduct electricity .

to learn more about conduct electricity.

brainly.com/question/1458220

#SPJ4

4 0
1 year ago
Nitrogen has an average atomic mass of 14.00674. it has two isotopes, n-14 and n-15, with atomic masses of 14.0031 amu and 15.00
masya89 [10]
In this case, we are going to assume that there are 100 atoms to make things easier. 

Let R% be the abundance of n-15. With this in mind, we calculate the abundance of n-14 to be 100%-R%

14.0031*(100-R)% + 15.001 * R%= 14.00674 
In this case, we can delete or ignore the % sign since we do not want to carry it around, however, we need to keep in mind that the final answer is in %

14.0031*(100-R) + 15.001 * R= 14.00674 
1400.31-14.0031R+15.001R=1400.674
0.9979R=0.364
R=0.3648

Then, the abundance of n-15 is 0.3648%

5 0
2 years ago
What is the heaviest elerment formed during neutron star collisions
creativ13 [48]

Answer:

oxygen, i think, jajajajjaa

8 0
2 years ago
Read 2 more answers
There are 3.20 x 10^22 atoms of copper in the outer shell of pennies. How many grams of
Vesnalui [34]
Convert to moles first and then use the molar mass of copper to convert to grams

3 0
3 years ago
You can use a ________________ to organize and record the measurements that you make. Some examples of information that might be
sasho [114]

Answer:

Explanation:

pareto chart

7 0
2 years ago
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