Answer: evaporation of water is equal to precipitation of water
Explanation:
An hydrological cycle or water cycle is the cyclic process in which the water circulates between different spheres of the earth in solid, liquid and gaseous forms. It circulates in earth's ocean or any other water body, then the vapors reach upto the atmosphere due to evaporation, where these vapors condense and precipitate into rain or snow, again it becomes part of the water body.
On the basis of the above explanation, evaporation of water is equal to precipitation of water is the correct option for the maintenance of the balance of the hydrological cycle on earth.
It proposed that the positive charge was concentrated in the nucleus.
i just took the test. this is right.
The electronic structure of Magnesium is 2,8,2
so in order to form a stable ions, it will lose 2 electrons.
Now, the proton number of Mg is 12, electron number is 10.
It will show positive charge.
Conclusion: Mg will lose 2 electrons to form Mg2+.
The best answer among the following choices would be the fourth option D).
Answer:
2 Answers. The column is filled with the carrier (liquid or gas) before the sample is injected. Thus if there is no interaction between the sample and the column, then the fastest that the sample can get to the detector is the dead time denoted by tM in the diagram.