Explanation:
Elements in same group show same valency because they have same number of electrons in ther outermost shell i.e. Valence shell. Since valency depends upon the valence electrons so they have same valency. Elements in the same group have same valancy.
Answer:
C: They both rely on art and scince for map-making
Explanation:
It isn't A, since ancient maps were not 3D at all. C is incorrect do to the first maps being found way before paper existed. D is incorrect because ancient maps were not all focused on the physical features and some were just to map out country borders, towns, etc. B just makes sense anyway, you use visuals to show where places are, science to know where the places go to map them.
Answer:
my life would be different as i would have to adjust my day to day life in order to workor go to school while its dark outside which can make it difficult to see. As well, it would be strange for my eyes to adjust to the sudden light change after being used to one or the other for so long. Personally I wouldnt mind the night as i love looking at the stars and moon but during the 6 months of daylight it would be hard to get some sleep.
Explanation: