Wind turbines operate on a simple principle. The energy in the wind turns two or three propeller-like blades around a rotor. The rotor is connected to the main shaft, which spins a <span>generator to create electricity.</span>
Answer:
The origin of the rock. The texture of the rock. The type of mineral in the rock.
Answer: Epidermal dendritic cells help prevent infections and they also produce pigment for the skin.
Explanation:
source: study.com
B.
Because the sun is tilted and rotates around it’s axis
<span>I would highly recommend that a researcher use the most powerful microscope available to thoroughly and aptly research planarians and to study their intricate reproductive system as well as their patterns (if any). There are a lot of unknowns when it comes to this organism. A powerful microscope would allow researchers to explore and to analyze to the point where the unknown is known.</span>
