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

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

the answer to your question is tooth decay.

the correct answer is sex-linked recessive.

i just took the test

i think that it is c, d, and e, hope this