Briefly explain how a specific historical development from 1850 to the outbreak of the civil war contributed to the attitudes expressed in the excerpt

name two ways organisms join a population and two ways organisms leave a population. two ways organisms join a population are birth rate and immigration. two ways they leave are death rate and emigration.

explanation:

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

-he wants to reinforce that students and teachers still have their first amendment rights during the school day.

the answer is b hope this