Which of the following is an observation? a. the cat's claws make it harder for it to run. b. that dog must eat well because it is fast. c. the cat must have been tired from playing earlier in the day. d. the dog caught up with the cat.

The answer is D, you are observing (watching) the dog catch up with the cat. Watching the dog catch up with the cat is something you can watch/see that is why it is an observation! Hope this helped you out :)

the answer to this predicament is false, by friend, i had this on a quiz, and i got it wrong, so i learned it, cos i was gonna have it on a test, and i got it right

answer; i believe that the correct answer is(d) nondisjunction during meiosis;