How do we know that Kramer cannot see the same way most humans can

Answer

How do we know that Kramer cannot see the same way most humans can? Kramer is shown a screen with a red “blob” on a green background. If he presses the red blob, he gets a treat. He does not press the red blob, so we know he cannot distinguish red from green like most humans can.

Explanation:

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sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.