Which of the following correctly defines one of the four parts of natural selection? a
extinction: the state in which all of the members of a species have died
b
adaptation: an acquired trait that lets an organism better survive in its environment
c
variation: the difference in the heritable traits of an individual from those of other individuals in the same species or population
d
overproduction: the process by which each generation produces more offspring than the previous generation produced

Idon't really understand the question. it counts for 20% of my lesson grade and i really need putting the answer into words. anything will . i need asap so im awarding 30 points.a disagreement between states of the united states concerning the rights of states vs. the authority of the national government led to the civil war. state governments were forced by war into a subservient position. what might happen if national governments ceded their authority to a world government by international treaty?

The 14th amendment overruled the supreme court case of dred scott vs. sandford. the landmark supreme court case determined which of the following points? a.slaves could not be citizens b.non-landowners could not be citizens c.blacks could not be citizens d.all persons born or naturalized in the united states vary differently in citizen status.

Which statement is the best summary of kim ii-sung’s point of view?