Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to care for common frog tadpoles [title] Get a container to use for a habitat. [step] The best container will be rather short and shallow, rather than deep. Having a wide top allows more air to be exposed to the air, allowing oxygen into the water.

Ending1: The long side provides more room to move. [substeps] You may need it for more than one tadpole. Ending2: Good containers can be purchased at most pet stores, and are good for small numbers of tadpoles. You can easily reuse a container of your own, however. Ending3: [substeps] The container should fit the tadpoles' size. Frogs may swim in the container, but they cannot jump far while submerged. Ending4: A lid will also make the tank easy for tadpoles to access. [substeps] To make the waste deeper, add pebbles or dirt, to make larger tadpoles easier to keep.

Answer format: ending1/ending2/ending3/ending4