In an element's square on the periodic table, the number with the greatest numerical value represents the
O number of neutrons.
O number of electrons
O atomic numder.
O atomic mass.

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much