Which word in the sentence is an adverb?

a drop of pond water under a microscope usually reveals many tiny creatures in it.

Read this sentence. although the idea was foreign to me, i still thought i would give it a try.

Someone answer my questions i need them asap

Latin question ! translate the sentence: multa aedificia romana tanta erant ut architecti ea diu aedificarent. a. many roman buildings were so great that the architects were building them for a long time. b. many roman buildings were so big that the architects used a lot of time to build them. c. many roman buildings were so great that architects d. many roman architects built such big buildings that they took a long time to build.