Light rays enter the eyes through the cornea.
The higher temperature would be 100c since when you use the fromulas to convert them the other two are lower.
100F = 37.8 C and 310.7K.
100C = 237.6F and 373K.
100K = -173C and -253.8F
Hyothalamus is the thermostat of the human body
Fossils can be used by examine their analogous structures...... give him Brainliest