What does a cows spend most of their time doing?

How do animals and plants depend on each other in pond life? How is a whales mammary gland used? Why do elk eat charcoal? Why is it important for the fetal heart to have both the ductus arteriosus and the foramen ovale but not good for the adult heart to have these feature? How does an alligator defend or protect itself? What are adjectives for tigers? How does a guinea-pig's hearing work? How does a monkey take care of its young? How much does it cost to take care of a mini horse Per month average is what I'm looking for I don't need the starting prices. Like I just want to know how much it is for feed and stuff. On average? Does snoopy have a girlfriend? What kind of horse does a witch ride? When does the red baby kangaroo first come out of the mother's pouch for the first time? Is a brown koala bear rare? Do smarter pets like dogs and cats know that cars are not living things? Where could one purchase dolphin figurines? What is the Time of the Mammals called? What is the oil to gas? I've been wondering this all day where the did the German word kauderwelsch come from? Is a cow heavier than a yak? How do Otters give birth?