The theory states that the moon formed as the result of a collision between earth and a mars-sized object.

a. great extinction
b. big bang
c. big crunch
d. giant impact

it should be briana that has it to me

true                                                                                                       true true true true true true

the correct answer in apex is tissue development, i know because i just had this question

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