What is the most likely cause of this person color blindness what does 20/300?

The explanation behind the 20/300 color blindness is the gene for the S cone pigment is situated on autosomal chromosome number 7, though the genes for the M and L cones are located on the X chromosome. Color blindness is triggered by a hereditary absence of one or more type of cones, typically the M (green) or L (red) cones. These individuals have only two working types of cones, and their vision is consequently dichromatic. People who have only one cone in the mid to long wavelength area (M or L) have trouble differentiating reds from greens. Because the photopsins of the M and L cone pigments are implicit on the X chromosome, and since men have only one X chromosome, such red-green color blindness is far more common in men than in women.

d concave shape of wave rock

explanation:

the concave shape of wave rock is a very good evidence that supports the evolution of earth due to chemical weathering. if we talk about structure of   wave rock, studies have estimated that it is around 2.7 billion years old. it also serves as the foundation of evidence that it was the place where australian continent began to form.

how the structure of wave rock was created?

studies suggest that structure of wave rock was created when the surrounded area was started to weather due to which deposition of material started on the part of land which now contains wave rock.

the structure of wave rock is considered to be one of the best-known landforms in australia. at the height of around 15 cm, there can be found flared slopes which formulate the margins of hyden rock. it is now assumed by geologists that wave rock was created by subsurface water-induced weathering and not by glaciers, waves or wind.

due to deposition of material over the period of long time, the wave rock became tougher and tougher due to weathering from surrounding terrain. this makes it a physical evidence that supports   the evolution of earth due to chemical weathering.

hope it !

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.