Can someone pls give me a picture of a diagram of an ancient concrete block! ? pls no fake pics/answers!

Desalination is expensive because it requires

Is the sentence “ironically, although approximately seventy-one percent of the earth is covered by water, thirty-three percent of its land area is desert.” a phrase or a clause?

2. which of the following topics would be too broad for a speech lasting 5 to 10 minutes?