Whats your favorite color of the alphabet. True or false???

Which of the following is necessary to build a skyscraper? a. wooden beams b. metal beams c. plastic supports d. all of the above

What animal should i do for my clay project? give me some good worth 20 points!

Need some ! asap i need to figure out 3 major changes in bridges over time and why these changes to adapt to both improvements in technology and changing social links would also alot.