Which of the following describes the maximum energy of a photoelectron?

a. the maximum energy of a photoelectron is always the same as the energy of the incident photon.

b. the maximum energy of a photoelectron cannot be greater than the energy of the incident photon plus the minimum energy needed to escape from the surface of the metal.

c. the maximum energy of a photoelectron cannot be greater than the energy of the incident photon minus the minimum energy needed to escape from the surface of the metal.

d. the maximum energy of a photoelectron is less than the work function of the metal.

C. The maximum energy of a photoelectron cannot be greater than the energy of the incident photon minus the minimum energy needed to escape from the surface of the metal.

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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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.