Describing Key Innovations in Engineering Choose the word or phrase that best completes each sentence.
Romans dj-veloped
v which allowed engineers to build complex structures and roads.
Romans supplied water to their cities by building
Roman engineers invented the world's first
Need ASAP

im pretty sure its b

wher is the rest of the question

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101