1.B
2.D
3.C
4.A
Explanation: 1 - A kitten cant weigh 0 at the time of its birth. 2 - When you drive the distance needed goes down, hence the line going down. 3 - A temperature can reach the negatives, and the gas is being heated so it goes up. 4 - You eat a cracker it goes up, you can’t start below the y=0 because you cant lose calories while eating crackers