which of the following is a regulars technical feature of water color painting a. tonal progression b. transparency c. spatial depth d. color symbolism

The ishtar gate can be seen in its reconstruction state in the plz

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.

The surge tank contains 4.5 tons of filler and 3,600 lbs of asphalt. what is the percent of filler in mixture