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.

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Does mitochondria still meet the definition of a eukaryote why or why not?

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review