The population of a country is experiencing a slow doubling time. Which of these is true of that country? a. It cannot be categorized as a developing country. b. It will never double its population. c. It can be categorized as a developed country. d. It has zero population growth.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

d. organisms have cells with different shapes and functions.

the statements that apply here about binary star system are

"have stars that might appear to wobble"

"often have one star that is brighter than other"

a binary star is a star system consisting of two stars revolving around their common barycenter. systems of two or more stars are called multiple star systems.