List two factors that help keep population in an ecosystem stable.​

How is the atomic number of a nucleus changed by alpha decay

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.

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring