The best answer that is being described above is the RODS. Along with cones, Rods are one of the photo<span>receptor cells in the retina of the </span>eye. Unlike the cones that help with color vision, the rods focuses more on the gray scale, the reason why we can see everything in a gray scale at night or in a dark environment. Hope this helps.
Answer:difference:
1)mango root system
Mango is having a well-defined Tap root system which can extend up to 20 feet (6 meters ). Taproots are the roots consists of one thick, cylindrical main root, known as the primary root, from which further branches of roots arises known as the secondary and the tertiary roots.
2)maize root system
Maize forms a complex root system comprising embryonic and post‐embryonic roots. Later in development the post‐embryonic shoot‐borne root system becomes dominant and is responsible together with its lateral roots for the major portion of water and nutrient uptake.
Turbines. Invented by Charles Parsons. I know I'm in middle school, but we are just learning about hydroelectric power.