Fossil fuel

Direction: Use the letters of the alphabet to guess the word being describe or missing on the sentence. Click "Skip" if you want to proceed with the word to guess. Click "Check"if you want to identify if your answer is correct. If you get the correct answer , the color of the letter will turn into green but if it is wrong it will turn to red. The process is the same as you complete answering the words which is asked. You have 10 trials to accomplish the task.