Which of the following scenarios demonstrates the replication of a scientific investigation? A.
Dr. Kim performs an experiment in her laboratory. Then, Dr. Stevens performs the same experiment in his laboratory to verify the results.

B.
Dr. Abraham performs the same experiment in his own laboratory on five different occasions.

C.
Dr. Jordan visits another scientist and watches the scientist perform an experiment in her own laboratory.

D.
Dr. Burgess reads about an experiment in a scientific journal. He performs a similar investigation in his own laboratory, but he changes some of the variables.

Which best describes california population when it became a state in 1850? a.because of the gold rush attracting settlers all over the world california population diverse.bcalifornia had banned foreign immigrants at the start of the gold rush.so,the states population was made up of entirely of americans from other parts of the country.c california had a large african population because many southern planters had moved their enslaved africans to start large farms.d the indian removal act had led to the relocation of thousands of eastern native americans to california.as,a result the majority of californias population was native american