Select the correct answer from the drop-down menu.

Comets travel in orbits around the sun. Some Comets take less than 200 years to orbit the sun. They are called short period Comets. Short period Comets are thought to originate in the kuiper belt, which is a belt of icy objects just beyond the orbit of the planet

A. Earth
B. Jupiter
C. Mercury
D. Neptune

An experiment is conducted to see if cats preferred skim milk or 2% milk. a cup of skim milkwas put out for 5 kittens and then measured how much the kittens drank over the course of aday. following a cup of 2% milk was purout for the skittens and then masured how much thekittens drank over the course of a day. the same kittens were used and the milk was served atthe same temperature. it was discovered that the cats liked the 2% milk more than the skimmilk. what is the dependent variable in this experiment?