What two burnt-out stars does psr b1629-26 b orbit?
a light year and a red dwarf
a pulsar and white dwarf
a black dwarf and a burst
a brown dwarf and the sun

a nurse is preparing to administer a topoisonmerase inhibitor to a client with ovarian cancer. what are adverse effects the nurse should monitor when administering this medication? ]

An easy way to calculate the amount of energy available at each level is to what?

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?