The calvin cycle takes place in the stroma. what happens in the thylakoid
membranes?

How do you know ? what does verne have his characters say and/or that reveal that attitude ?

By the end of the 1800s, there was a change in the nature of the immigrants coming to the united states. immigration from northern europe—england, ireland, germany, and scandinavia—declined, while immigration from italy, russia, and austria-hungary grew. in fact, between 1900 and 1910, more than three-fourths of all immigrants came from these three countries. unfortunately, these countries were far removed england, the home of our founders, and the immigrants who came from them had a hard time adjusting to life in their new country.

What from the columbian exchange had perhaps the biggest impact on the world?