Happy holidaysss

Have a good holidays!!!

I wish you a merry Christmas and a happy new 2020!!!

See you next year!

Second Industrial revolution

Here you have some materials related to today class about the Second Industrial Revolution... remember, exercises 1 and 2 pag 61 ready for 8 january...!
You have the diagram (2 pictures) in moodle, take advantage of it because it is a summary...