Lizards and guinea pigs both eat the exact same type of kibble. if you're farming for meat, and you want to maximize the production of your farm, which animal is a better choice? (note for the geeky among you: they are also the same size and same surface area : volume ratio)
a. lizards
b. guinea pigs

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error? the object is an asteroid, not a dwarf planet. the object is a moon, not a dwarf planet. the object is not a dwarf planet because it travels with other objects. the object is not a dwarf planet because it is round.