How many continents out of the 7 are completely surrounded by water?

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Which of the following words describe the reality that the universe looks the same from various perspective