Which thesis statement is better?
a-the san diego zoo is home to animals of all kinds.
b-the san diego zoo is home to large mammals, various reptiles, and rare birds.

go to this website .

but i think it is 2

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.