Walter and luis alvarez are the authors of what important dinosaur information?

Which of the following contributed most to making the items listed in the box

Who gave the famous "i have a dream" speech at the march on washington?

In what way was family life impacted by industrialization? a. there was a rise in the middle class. b. there was a decrease in the birth rate. c. women were not allowed to work in factories. d. families relied on farming for food supplies.