title: Can we specify multiple queries in Firebase?
body: <pre><code>{
    "lambeosaurus": {
      "height" : 2.1,
      "length" : 12.5,
      "weight": 5000
    },
    "stegosaurus": {
      "height" : 4,
      "length" : 9,
      "weight" : 2500
    }
    "pegosaurus": {
      "height" : 4,
      "length" : 9,
      "weight" : 1000
    }
  }
  </code></pre>
  
  <p>I have to apply a query on this structure of dinasaurs whose height=4 and length =9. How can i apply multiple query on firebase?(using orderByChild)</p>