(Q).
Q: How many stars are in our solar system?    Choices:  - two  - none  - three  - one  A:
(A).
one


(Q).
Q: How many bones does the  mammalian middle ear have?    Choices:  - two  - twelve  - four  - three  A:
(A).
three


(Q).
Q: What is the most important way that humans communicate?    Choices:  - inheritance  - painting  - instinct  - language  A:
(A).

language