Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to build a vivarium [title] Decide what animals and plants you want to keep. [substeps] Determine if their basic requirements make them incompatible (such as high humidity frogs and low humidity cacti). [title] Purchase a suitable sized aquarium or terrarium, remember animals like to move around and plants need room to grow.

Ending1: [substeps] If you do not have suitable aquariums make up your own where windows and water can be drawn. If you do decide to use aquariums, never make them particularly to market your vivarium. Ending2: [title] Fill the aquarium with rock and water (about 95 %) or water from the river. [step] Fill with a few feet (30. Ending3: [substeps] As a general rule, you should want at least one tank, a minimum of 15 gallons of water. Aim for a minimum of 150 gallons for play frog species and up. Ending4: [substeps] An aquarium is basically a glass box that is only open at the top. Terrariums usually have hinged or sliding glass doors on one of the vertical sides to make access easier.

Answer format: ending1/ending2/ending3/ending4