Answer:wind mills gives us energy which let us do many things
Explanation:
Answer:
The scientist formulates a specific question that adresses a meaningful problem, a question which drives the investigation from start to finish.
Explanation:
You need a question to answer during the investigation to begin with. Hope this helped!
Answer:
All of these would be correct.
Explanation:
Mournful: feeling, expressing, or inducing sadness, regret, or grief.
Melancholy: a feeling of pensive sadness, typically with no obvious cause.
Despairing: showing the loss of all hope.
Hope this helps:)