Which of the following has been formed on the Asian continent by two continental plates that have been pressing together for millions of years? O large fields of gravel
O a tall mountain chain
O large freshwater lakes linked by rivers
O an uneven thickness of sedimentary layers

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

have a great day because if you dont you and i will be sad